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3 Methods To Fix Qtcore4.dll Error

Qtcore4.dll Error - What is it?

Qtcore4.dll is a dynamic link library file that helps Microsoft Windows in loading several key components of the system.

The Qtcore4.dll error occurs when the Qtcore4.dll file cannot be loaded to run the application supported by this .dll file. The Qcore4.dll missing error message may occur while booting your system or launching a certain program.

It is a blue screen of death error type.

The Qtcore4.dll error code is often displayed as:

BLUE SCREEN ERROR - QtCore4.dll Not Found

Filei386QtCore4.dll could not be loaded. The error code is 7. Setup cannot continue. Press any key to exit.

Solution

Restoro box imageError Causes

This error code is triggered by a variety of reasons such as:

  • Windows file allocation file gets damaged
  • Your computer BIOS (Basic Input/Output System) are misconfigured
  • The Qtcore4.dll file gets corrupt
  • Registry gets damaged and corrupt
  • Non-Microsoft program not running in tandem with Windows
  • Malware attack
  • Improper hardware driver software

It is advisable to fix the Qtcore4.dll error code immediately as this error can pose serious threats to your system. Qtcore4.dll error can lead to system breakdown.

Further Information and Manual Repair

Here are some ways of fixing the Qtcore4.dll error on your system:

1. Re-install the Program Causing Qtcore4.dll error message to pop up

As dll files are shared files sometimes due to program deletion and installation .dll file settings can get misconfigured, damaged, and corrupt. In such a scenario, you can try reinstalling the program that is causing Qtcore4.dll error message to appear on the screen.

2. Reconfigure your Mis-configured BIOS

If BIOS misconfiguration is the cause of this error code on your system, then try reconfiguring your system’s misconfigured BIOS.

  • To do this boot the computer and then press the BIOS designated keys to enter the BIOS. The keys may vary from manufacture to manufacture but typically, the setup keys are F2, F10, F12, and Del.
  • Once you figure out the setup keys, press them rapidly when booting the computer.
  • After successfully hitting the setup keys, the BIOS will load and you will see the BIOS setting menu on your screen. Adjust settings. Go to SATA Operation and change RAID AHCI to RAID ATA. Save changes and then exit.

3. Scan Your PC with a Registry Cleaner and an Antivirus

However, after adjusting the BIOS if the error still pops up on your screen, then this indicates the problem is bigger than you think.

It triggers either malware attack or registry corruption. If these are the underlying causes for the Qtcore4.dll error on your system then you need to scan your PC with a registry cleaner and an antivirus.

Registry is the main database of your system; if this gets corrupt it is most likely to result in system failure and valuable data loss.

And as for malware, the biggest concern is data security threats. Today’s advanced and lethal malware like viruses and spyware can give easy access to hackers to enter your system from a remote location, browse through your confidential and private data and manipulate it to their advantage.

This has led to a surge in various types of cyber crime, data breaches, and identity theft cases over the years.

To avoid all this while resolving the error code Qtcore4.dll on your PC, registry cleaning and repair and antivirus scan are needed.

You can either download 2 separate tools on your system to scan your PC which by the way will take a lot of time and increase your chances of the system slow down or you can download Restoro.

Why Restoro?

  • Total System Care is an advanced, user-friendly, high, and multi-functional repair.
  • It is deployed with a powerful and intuitive registry cleaner. It also functions as a system optimizer. It spares you from downloading numerous tools to address and resolve different errors on your PC.
  • It is your one-stop solution for not only Qtcore4.dll problems but practically all PC-related issues.
  • The registry cleaner utility detects all the malicious, unnecessary, and obsolete files overloading and corrupting your RAM.
  • This includes junk and temporary files. It wipes them out thus clearing your disk space. Simultaneously, it also repairs the damaged and misconfigured dll files including the Qtcore4.dll file, and fixes the corrupt registry.
  • The privacy error utility has the properties of an antivirus. It detects and removes malware, viruses adware, and spyware from your system in seconds.
  • Total System Care resolves the Qtcore4.dll error on your system and boosts the performance of your system. It has a simple and neat interface which makes it quite easy for users to operate it, even those who are not technically adept.
  • It is compatible with all Windows versions

Click here to download Restoro and repair the Qtcore4.dll error on your PC.

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Malware Guide: How to Remove Bandoo

What is Bandoo?

Bandoo application, specifically product version 5.0.2.4762, is a bundled program. What does this mean? Simply, Bandoo, upon installation, installs additional programs, extensions, and add-ons to a computer and computer’s browser, without the knowledge of the user. This version of Bandoo concentrates on providing features for entertainment and also functionality/tools for backing up your computer files. Once executed, the file installs the iLivid Download Manager Software. Additional tools installed within the bundle include a Movie Toolbar and the thriving search engine ‘Ask.com.’ Technical details about Bandoo include: 
Digital Signature/Publisher:  Bandoo Media, Inc. Product Version: 5.0.2.4762 Entry Point:  0x000038AF

Assessment of Bandoo Potentially Unwanted Program

Interestingly, before the installation of Bandoo product version 5.0.2.4762 was complete, Spyhunter detected that the software was a PUP. After the installation was complete, product version 5.0.2.4762 of Bandoo added add-ons and extensions to both Internet Explorer and Chrome Browsers (these were the only 2 browsers used within the assessment). These appeared in the form of a Movie toolbar, providing quick access to movie trailers, reviews, ratings, and other video functionality, and ‘Ask’ (Ask.com) search engine.

Areas of Infiltration by Bandoo

Bandoo product version 5.0.2.4762 infiltrated several areas of the computer system. After installation, folders were neatly placed as files within all programs. Within “All Programs” there were 3 newly added programs. These included:
  • iLivid
  • Movies Search App for Chrome
  • Movies Search App for Internet Explorer
The iLiVid application seems to be the main offer while the others, namely Movies App for Internet Explorer by Ask was featured as promotions or advertisements. Additionally, just below the 'END USER LICENSE AGREEMENT AND PRIVACY POLICY' a request was made that the user set Ask.com as both their homepage, new tab, and default search engine. This is just another well-concocted plan to get Internet users onto the 'Ask.com' search engine. Along with the 3 programs installed as a bundle,  a new folder was found within the computer's local drive. This program was termed OLBPre.

What is OLBPre?

OLBPre.exe is reputed as dangerous adware that weakens the security settings of a computer system. It's also covertly used for dropping files on a targeted computer, often without the user's consent or knowledge.

Manual Steps for Removal of Movie Search Apps

I found this removal pretty simple. Depending on your Operating System, there will be slight discrepancies in the manual removal steps. Using the Windows 8 (8.1) OS on your computer:
  • Step 1: from your desktop, right-click on the ‘Start Button’.  A menu box will then appear.
  • Step 2: from the menu box, click ‘Search’.
  • Step 3: enter “Programs and Features” within the Input Box.
  • Step 4: locate the installed apps. You should be able to see “Movies Search App for Chrome” & “Movies Search App for Internet Explorer”.
  • Step 5: right-click on the names of the Apps (the ones you want to remove) when you’ve located them.
  • Note: you will have to remove the apps one after the other.
  • Step 6: after right-clicking the app, click the uninstall option (probably the only option available anyway).
  • Note: If a box appears asking If you wish to ‘block’ or ‘allow’, select the allow option. That’s just the Publisher’s way to annoy you out of uninstalling the app.
  • Step 7: follow instructions until the app is fully removed.
  • Step 8: Repeat steps for the other app.
Since Bandoo also changed your search engine, you’ll have to reset that manually for Internet Explorer and Chrome. Follow the steps below:
  • Step 1: Open your Internet Explorer browser.
  • Step 2: Click the tool option located in the top right-hand corner of the page.
  • Step 3: Click the “Internet Options” option.
  • Step 4: Under the “General” tab, you’ll be able to see approximately 3 buttons. Click the button labeled ‘Use Default”.
  • Step 5: At the bottom right-hand corner of the pop-up menu, select the “Apply” button and “OK”. That should do the trick.

Removal for Chrome Extension

This removal is simple.
  • Step 1: Open your Chrome browser.
  • Step 2: A pop-up box will be visible.
  • Step 3: Click the “Remove from Chrome” option.
After removing the extensions/add-ons, perform another scan with Spyhunter. You’ll pick up a few threats. The second scan should clear up everything. To completely remove Bandoo from your computer, click here to download and install Spyhunter.
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Shift Key is not working in Windows
A lot of users rely on keyboard shortcuts to carry out tasks on their PCs. One of the most common keyboard shortcuts used is the Ctrl + Shift + Esc which opens the Task Manager. As you can see, the Shift key is not just used to capitalize a text as it can also be used for other functions and plays an essential role in operating a computer. However, if you suddenly find it not working, read on as this post will help you fix the problem. If your Shift key is not working, there are several potential fixes you can check out to fix it. These are the different ways to get rid of the Shift key not working issue on Windows 10:
  1. Physically clean the key and keyboard
  2. Disable Sticky Keys.
  3. Update, Reinstall, or Rollback Keyboard driver.
  4. Test the keyboard on another system.
  5. Check your connections
  6. Run the Hardware troubleshooter
  7. Troubleshoot in Clean Boot State.

Option 1 – Clean the keyboard keys physically

Your keyboard might not be working properly due to some dirt or other corrosion. Thus, you need to clean your keyboard, especially the Shift key. First, you need to shut down your computer and then unplug the keyboard if you are using a desktop computer and then prepare it for cleaning. After that, use a small cotton ear cleaning tool to get between the creases and clean them. You can dip it slightly in alcohol to make it more efficient in cleaning dust and dirt. And if you can, you have the option to pull apart the keyboard completely and then wipe away all the corrosion from the inside. Once you’re done, put the keyboard back together and then plug it back into your PC. Now turn your PC on and check if the Shift key is now working.

Option 2 – Try to disable the Sticky keys

Another thing you can try is to disable the Stick keys. How? Refer to these steps:
  • Tap the Win + I keys to open the Settings app.
  • After that, navigate to the Ease of Access section, and here, select Keyboard.
  • Next, make sure that the option for Press one key at a time under the Sticky Keys is toggled off.

Option 3 – Reinstall, update or rollback your keyboard driver

Once you’ve determined that the problem is in the software part of the keyboard, it is now time to try to reinstall, update or roll back your keyboard drivers. To reinstall the driver for your keyboard, refer to these steps:
  • From the WinX Menu, open the Device Manager.
  • In the Device Manager, you should find your laptop’s keyboard under the “Keyboards” option. Right-click on it and select the “Uninstall” option.
Note: If you’re not quite certain about your laptop’s keyboard, you can uninstall all the keyboards if there’s more than one.
  • After that, restart your PC and see if the keyboard driver is installing automatically. If not, open the Device Manager again and right-click on Keyboards, and select the option “Scan for hardware changes” to install it.
Once the keyboard driver is installed again, check if your keyboard is now working properly or not.

Option 4 – Try connecting the keyboard to a different USB port or another computer

The problem might have something to do with the USB port that’s currently in use by your keyboard. It could be that it’s not working so it makes sense to unplug it and attach it to another USB port. You can also clean the USB port on both ends to ensure that they are not affected by corrosion. In addition, you can also try connecting the keyboard to a different computer and see if the Shift key works there or not.

Option 5 – Try to check your connections

You can also try checking if the connection mode you are using for your keyboard is functioning properly. For instance, if you are using a Surface 2-in-device, you can clean the connection pins and see if it resolves the problem.

Option 6 – Run the Hardware and Devices Troubleshooters

  • The first thing you need to do is click on Start and then on the gear-like icon to pull up the window for Settings.
  • After opening Settings, look for the Update and Security option and select it.
  • From there, go to the Troubleshoot option located on the left-hand side of the list.
  • Next, select Hardware and Devices from the list and open the Troubleshooter and run it. Once it is doing its job, wait for it to complete the process and then restart the system.
  • After the system restarts, check if the problem’s now fixed. If not, refer to the next option given below.

Option 7 – Put your PC in a Clean Boot State

You might also want to put your computer in a Clean Boot State to fix the problem with the Shift key. It could be that there is a third-party program that’s preventing the Shift key from functioning. To isolate this possibility, you need to put your computer in a Clean Boot State.
  • Log onto your PC as an administrator.
  • Type in MSConfig in the Start Search to open the System Configuration utility.
  • From there, go to the General tab and click “Selective startup”.
  • Clear the “Load Startup items” check box and make sure that the “Load System Services” and “Use Original boot configuration” options are checked.
  • Next, click the Services tab and select the “Hide All Microsoft Services” check box.
  • Click Disable all.
  • Click on Apply/OK and restart your PC. (This will put your PC into a Clean Boot State. And configure Windows to use the usual startup, just simply undo the changes.)
  • Now try to connect the external devices and check if the error is now gone.
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Enable or Disable the Reserved Storage
A lot of users complain about low storage space each time a Windows Feature update is released as well as to complain about not being able to download the updates, slow update experience, and many other complaints. The main issue is that many users do not have enough storage space available on their PCs. And now to make sure that none of the updates gets stuck because of low storage space, Microsoft presented the Reserved Storage feature which comes preinstalled with v1903 or those where v1903 was clean installed. This guide will be showing you how you can enable or disable the Reserved Storage in your Windows 10 computer. As you know, the Windows Update process should have enough space so that it can download, extract and apply the update on the computer. Usually, the size of the Reserved Storage is around 7GB which gives enough space for the update, temporary files, system caches, apps, and many more. And according to Microsoft, the size of the Reserved Storage space will vary from time to time and will depend on how you use your computer.

Explanation

The Reserved Storage space feature is enabled by default on devices that come preinstalled with the May 2019 update or after performing a clean installation of the Windows 10 OS. To check if your computer has this feature, you need to go to Settings > System > Storage and from there click on the “Show more categories” link and then click on the “System & reserved” option. However, if you can’t find the Reserved Storage from the list, then it’s probably because your computer has limited space on the hard disk or it is not a fresh or new install. On the other hand, if you have this feature but have no use for it and want to disable it instead, then read on as this post will also show you how it’s done.

Solution

Keep in mind that when you disable the Reserved Storage feature, chances are, you might be unable to enable it back so you need to make sure that it’s really what you want to do before you disable it permanently. So if you really want to disable Reserved Storage, you can do so using the Registry Editor. Before you proceed, you have to create a System Restore point first and then carry out the following steps.
  • Tap the Win + R keys to launch the Run utility and type “Regedit” in the field and then tap Enter to open the Registry Editor.
  • Next, navigate to this registry path: ComputerHKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionReserveManager
  • From there, double click on the DWORD named “ShippedWithReserves” and set its value to “1”.
  • Once you’re done, restart your computer and see if the Reserved Storage feature is now gone.
On the other hand, if you want to reduce the Reserved Storage space, there are two ways you can do that. First, you can go to Settings > Apps > Apps & features > Manage optional features and from there, uninstall the optional features that you do not use. The second one is you have to go to Settings > Time & Language > Language and then uninstall the languages and their add-on which you don’t use. Note: The Reserved Storage feature is also used by system processes and apps to create temporary files and once the Reserved Storage space fills up, Windows 10 will delete them automatically. It is undeniable a useful feature so disabling it is not recommended but if you are running on low storage space and don’t have much choice, then you may disable it at your own risk.
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Fix MSVCR71.dll is missing in Windows 10
The program can’t start because MSVCR71.dll is missing from your computer, Try reinstalling the program to fix this problem.
If by any chance you have encountered this error know that you are not alone and that this is a solvable error. In this guide, we will show you how to fix this error. Usually, the MSVCR71.dll missing error is met when a new application is installed. So let us dive right into it and solve it.
  1. Reinstall application

    If only a certain application is reporting this error, try reinstalling it, there is a high possibility that by some mistake application was not properly installed and corrupted or removed the MSVCR71.dll file. If this is the case, reinstallation will help.
  2. Check recycle bin

    like mentioned above, if the application has by mistake deleted the file, open recycle bin and try to locate it there. If this is the case, restore it from recycle bin and everything should be back in normal working conditions.
  3. Download a new version of the file

    If the previous 2 methods failed and you still get the missing error, try downloading the file from Microsoft and placing it in C:\Windows\SysWOW64
  4. Reinstall C++ redistributable

    Having an incorrect C++ redistributable package can be an issue of the problem, get the latest version from Microsoft and reinstall it.
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Removing FlightSearchApp from your computer

FlightSearchApp is a browser extension for Google Chrome. This extension claims to be a simple tool to provide updates regarding flight arrivals, flight departures, flight tracking, and access to time zone converters. However, it is a potentially unwanted program which is also known as a browser hijacker.

This extension hijacks your browser home page and search engine changing it to MyWay. While this extension is active you will see additional ads, sponsored links, and sometimes even pop-up ads appearing through your browsing sessions. It also keeps track of your browsing data, recording your browsing activity, website visits, clicks, and potentially personal information. It also adds a toolbar to the browser header which can lag the browser while also reducing usable screen size.

Several anti-virus scanners have marked this extension as a Browser Hijacker, and is therefore not recommended to keep on your computer.

About Browser Hijackers

Browser hijacking is regarded as the internet’s constant risk that targets web browsers. It is a kind of malicious software that alters your web browser’s configuration settings so that you are redirected to websites or webpages that you had no intention of visiting. Basically, nearly all browser hijackers are made for marketing or advertising purposes. The idea would be to force users to visit particular websites which are looking to improve their visitor traffic and produce higher ad earnings. It might appear naive, but the majority of such sites are not legitimate and will pose a serious threat to your on-line safety. Some browser hijackers are designed to make certain modifications beyond the web browsers, like changing entries in the computer registry and allowing other malware to further damage your PC.

How one can know whether the browser is hijacked?

Symptoms that your browser is hi-jacked include: 1. the browser’s homepage is changed 2. you see new unwanted favorites or bookmarks added, typically directed to ad-filled or pornography websites 3. The default search page of your web browser is altered 4. unsolicited new toolbars are added to your web browser 5. many pop-up ads show up and/or your browser pop-up blocker is disabled 6. your web browser has become unstable or starts running slowly 7. You can’t access particular websites, in particular anti-virus sites.

How it infects your PC

Browser hijackers can get into a computer by some means or other, for instance via file sharing, downloads, and email too. They are generally included with toolbars, add-ons, BHO, plugins or browser extensions. Some browser hijackers spread in user’s computer systems using a deceptive software distribution technique known as “bundling” (usually through freeware and shareware). Browser hijackers may record user keystrokes to collect potentially valuable information that leads to privacy issues, cause instability on computers, significantly disrupt user’s browsing experience, and finally slow down the computer to a point where it will become unusable.

Browser hijacker removal tips

Some types of browser hijackers can be quickly removed from your PC by uninstalling malicious programs or any other recently installed freeware. At times, it can be a challenging task to identify and eliminate the malicious component since the associated file could be running as part of the operating system process. On top of that, manual removal expects you to execute many time-consuming and intricate procedures that are very hard to carry out for new computer users. You might opt for automatic browser hijacker removal methods by just installing and running an efficient anti-malware program. One of the recommended tools for fixing browser hijacker infections is SafeBytes Anti-Malware. It assists you eliminate any pre-existing malicious software on your system and provides you real-time monitoring and protection against new threats. Utilize a system optimizer along with your anti-malware to fix various registry issues, remove computer vulnerabilities, and enhance your computer's overall performance.

Virus Blocking Internet And All Anti-Malware Software? Do This!

Every malware is bad and the degree of the damage will differ greatly with regards to the type of infection. Some malware is meant to interfere with or prevent things that you wish to do on your personal computer. It may not allow you to download anything from the net or prevent you from accessing a few or all of the websites, particularly the anti-malware websites. If you’re reading this now, you have perhaps realized that a malware infection is the real cause of your blocked internet traffic. So how to proceed if you want to download and install an anti-malware program like Safebytes? There are some solutions you could try to get around with this issue.

Download the application in Safe Mode with Networking

Safe Mode is a unique, simplified version of Windows in which just bare minimum services are loaded to prevent malware and other troublesome applications from loading. If the malware is set to load immediately when PC starts, switching into this mode can prevent it from doing so. To start the computer into Safe Mode, hit the “F8” key on your keyboard just before the Windows boot screen shows up; Or after normal Windows boot up, run MSConfig, check “Safe Boot” under Boot tab, and click Apply. Once you are in Safe Mode, you can attempt to download and install your antivirus program without the hindrance of the virus. After installation, run the malware scanner to remove standard infections.

Utilize an alternate web browser to download an anti-malware program

Some malware mainly targets specific browsers. If this is your situation, use another internet browser as it could circumvent the malware. The ideal solution to overcome this issue is to opt for a browser that is well known for its security measures. Firefox contains built-in Phishing and Malware Protection to help keep you secure online.

Run anti-virus from your pen drive

Another solution is to save and run an antivirus software program completely from a USB drive. Follow these steps to run the antivirus on the affected computer system. 1) Download the anti-malware software on a virus-free PC. 2) Plug the Thumb drive into the uninfected computer. 3) Double click on the downloaded file to open the installation wizard. 4) Select the USB stick as the location for saving the software file. Do as instructed on the computer screen to finish off the installation process. 5) Transfer the flash drive from the clean PC to the infected PC. 6) Double-click the anti-malware software EXE file on the USB flash drive. 7) Hit the “Scan” button to run a full system scan and remove malware automatically.

Features and Benefits of SafeBytes Anti-Malware

In order to protect your computer or laptop from many different internet-based threats, it is important to install anti-malware software on your computer. But with countless numbers of anti-malware companies out there, these days it is tough to decide which one you should buy for your PC. Some of them do a good job in getting rid of malware threats while some will damage your PC by themselves. When looking for an anti-malware tool, purchase one which gives dependable, efficient, and comprehensive protection against all known viruses and malware. Among few good programs, SafeBytes Anti-Malware is the highly recommended software program for the security-conscious user. SafeBytes anti-malware is a trustworthy tool that not only secures your system permanently but is also extremely easy to use for people of all ability levels. Through its cutting-edge technology, this software protects your personal computer against infections caused by different kinds of malware and other threats, including spyware, adware, viruses, worms, trojans, keyloggers, potentially unwanted programs (PUPs), and ransomware. SafeBytes anti-malware provides an array of enhanced features that sets it aside from all others. The following are a few of the great ones: World-class AntiMalware Protection: This deep-cleaning anti-malware application goes much deeper than most antivirus tools to clean out your PC. Its critically acclaimed virus engine finds and disables hard-to-remove malware that hides deep inside your computer. Real-time Threat Response: SafeBytes offers completely hands-free real-time protection and is set to check, block and get rid of all computer threats at its first encounter. It will regularly monitor your pc for hacker activity and also gives end-users sophisticated firewall protection. Safe Web Browsing: SafeBytes checks the links present on a webpage for possible threats and informs you whether the site is safe to visit or not, through its unique safety rating system. “Fast Scan” Features: Safebytes AntiMalware, with its advanced scanning engine, gives ultra fast scanning which can quickly target any active online threat. Minimal CPU Usage: SafeBytes is really a lightweight application. It use up a very small amount of processing power as it operates in the background so you are free to use your Windows-based PC the way you really want. 24/7 Online Support: You may get absolutely free 24/7 technical support from their IT experts on any product queries or computer security concerns. All in all, SafeBytes Anti-Malware is a solid program since it has plenty of features and can identify and eliminate any potential threats. Once you’ve downloaded and installed SafeBytes Anti-Malware, you no longer have to bother about malware or any other security concerns. If you’re searching for the absolute best malware removal application out there, and if you don’t mind spending some money for it, opt for SafeBytes Anti-Malware.

Technical Details and Manual Removal (Advanced Users)

If you want to manually get rid of FlightSearchApp without using an automated tool, it may be possible to do so by deleting the application from the Microsoft Windows Add/Remove Programs menu, or in cases of web browser plug-ins, going to the browser’s AddOn/Extension manager and uninstalling it. You may even want to reset your home page and search providers, as well as delete temporary files, browsing history, and cookies. Lastly, check your hard disk for all of the following and clean your computer registry manually to get rid of leftover application entries after uninstalls. Please remember that only experienced computer users should try to manually edit the registry because incorrect file removal results in a serious problem or even a PC crash. In addition, some malware is capable of replicating itself or preventing deletion. Doing this in Safe Mode is advised.
Files: %PROGRAMFILES(x86)%\FlightSearch_fo %PROGRAMFILES%\FlightSearch_fo %UserProfile%\Local Settings\Application Data\FlightSearchTooltab %LOCALAPPDATA%\FlightSearchTooltab Registry: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe Debugger = svchost.exe HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe Debugger = svchost.exe HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\free.flightsearchapp.com HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings WarnOnHTTPSToHTTPRedirect = 0 HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings WarnOnHTTPSToHTTPRedirect = 0 HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore DisableSR = 1 HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe Debugger = svchost.exe HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msascui.exe Debugger = svchost.exe HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 3948550101 HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run xas HKEY_CURRENT_USER\Software\free.flightsearchapp.com
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Kernel Mode Heap Corruption Error in Windows
Kernel Mode Heap Corruption is the error message that the Windows operating system throws when it encounters a blue screen of death or BSOD error during PC startup or launching specific programs such as video games. It is mainly caused due to software conflicts, driver issues (especially graphics card driver), and computer hardware malfunctioning. The good news is that this error is easily fixable. Follow the next steps in order to fix the error:
  1. Rollback graphic card driver

    Press ⊞ WINDOWS + X to open Windows secret menu and click on device manager Expand Display adapters section Right-click on your GPU and choose properties In properties window go to the driver tab and click on Roll back driver Select the reason for operation and click on YES Reboot your PC
  2. Update corrupted and outdated drivers

    How is this error mostly driver issue, updating and fixing bad drivers can fix it very easily. As in the previous step, you will need to open the device manager and go through all drivers and manually check for updates for each one, update as necessary or reinstall ones you might think have gone rogue. If you are not experienced enough with this kind of task install some automatic solution for this task like DriverFix
  3. Check for software issues

    If this error started happening after the installation of new software it is very likely that the application is causing problems. Try uninstalling or disabling the application to see if it will fix the issue. You can also boot Windows in safe mode to see if the error will happen there, if Windows is working fine in safe mode, it is likely that issue is on the software side.
  4. Run SFC scan

    Press ⊞ WINDOWS + X and choose Command prompt (admin) In command prompt type in sfc /scannow and press ENTER Wait for the process to be finished and Reboot the system
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Fix HIDCLASS.sys failed Blue Screen Error
If you were trying to print some documents but encounter the HIDCLASS.SYS Blue Screen error instead, then you’ve come to the right place as this post will guide you in fixing any Blue Screen errors related to the HIDCLASS.SYS file. HIDCLASS.SYS is a Windows operating system driver file. HID or Human Interface Device includes Keyboards, mice, and other input devices. HIDCLASS.SYS is a critical system driver file that is responsible for connecting different kinds of devices all over the system, including the functionality where a Word Processor can access the printer to print documents. This file comes under the category of kernel-mode device drivers and if the driver fails, it can result in a Stop Error. There are a lot of Stop errors related to the HIDCLASS.SYS file, such as:
  • KMODE EXCEPTION NOT HANDLED
  • SYSTEM SERVICE EXCEPTION
  • DRIVER POWER STATE FAILURE
  • PAGE FAULT IN A NONPAGED AREA
  • SYSTEM THREAD EXCEPTION NOT HANDLED
  • DRIVER VERIFIER IOMANAGER VIOLATION
  • IRQL NOT LESS EQUAL
The fixes for the Blue Screen errors related to the HIDCLASS.SYS files are pretty simple but before you troubleshoot the problem using these fixes, make sure that you boot your computer into Safe Mode with Networking first. After that, get started on these tips:

Option 1 – Update or rollback or disable concerned device drivers

To fix the HIDCLASS.SYS error, you can also try to roll back, or update, or disable the concerned device drivers.
  • Open the Devices Manager from the Win X Menu.
  • Then locate the device drivers particularly the ones that are under the sections of Keyboard, Mouse, USB, and HID Drivers.
  • Next, right-click on them to open the Properties.
  • After that, switch to the Driver tab and click on the Uninstall Device button.
  • Follow the screen option to completely uninstall it.
  • Finally, restart your computer. It will just reinstall the device drivers automatically.
Note: You can install a dedicated driver on your computer in case you have it or you could also look for it directly from the website of the manufacturer. On the other hand, if you have just updated your device drivers then you need to roll back the drivers to their previous versions or disable them.

Option 2 – Check for any incompatible devices

The next thing you can do to troubleshoot the HIDCLASS.SYS Stop error is to plug in and out each one of the different hardware that is connected to your computer. Doing so will help you determine which one of the hardware is the one that’s triggering the error to pop up. You will also know what hardware drivers or anything else that could be causing this error which includes external devices like mouse, keyboard, printer, as well as internally attached components like the Graphics card and so on.

Option 3 – Try running the ChkDsk utility

Running the ChkDsk utility can also help you resolve any Blue Screen errors related to the HIDCLASS.SYS file. To run this tool, refer to these steps:
  • First, open This PC and right-click on your operating system partition for Windows.
  • Next, click on Properties and navigate to the Tools tab.
  • Then click on Check under the Error Checking section.
  • After that, a new mini window will be opened and from there click on Scan drive and let it scan your disk drive partition for any errors and then restart your computer.

Option 4 – Try checking the Memory for any errors

  • Tap the Win + R keys to open Run and type exe and hit Enter to open the Windows Memory Diagnostic Tool.
  • After that, it will give two options such as:
    • Restart now and check for problems (Recommended)
    • Check for problems the next time I start my computer
  • Once your computer has restarted, perform a basic scan or you could also go for the “Advanced” options such as “Test mix” or “Pass count”. Simply tap the F10 key to start the test.
Note: After you select the option, your PC will restart and check for memory-based issues. If it finds any issues, it will automatically fix them.

Option 5 – Run the System File Checker

System File Checker or SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files with good system files. To run the SFC command, follow the steps given below.
  • Type “cmd” in the Start search and then right-click on the appropriate search result.
  • Next, select “Run as administrator” to open Command Prompt with admin privileges.
  • After opening Command Prompt, type in sfc /scannow
The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:
  1. Windows Resource Protection did not find any integrity violations.
  2. Windows Resource Protection found corrupt files and successfully repaired them.
  3. Windows Resource Protection found corrupt files but was unable to fix some of them.
  • Now restart your computer and see if the Blue Screen error is fixed or not.
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Firefox shows wrong or no bookmark favicon
If you have just updated your Mozilla Firefox browser as of late and you noticed that it’s showing wrong or no bookmark favicon at all, then read on as this post will provide you with potential solutions that can help you resolve the problem. The basic thing you can do to fix it is to either refresh or reset the cache for favicon and then force restart the favicon service. However, if you’ve already tried this and it didn’t work, then there are still other options you can try. You can try to rebuild the configuration file for the favicon or restart the favicon service. You could also try disabling all the add-ons on your browser or scan your computer for adware. For more details, refer to each one of the options laid out below.

Option 1 – Try to rebuild the favicon configuration file

Mozilla Firefox actually creates a file each time you bookmark a webpage and this is called “favicons.SQLite”. This file is located on your computer and for you to fix the issue in Firefox, you need to rebuild this file and in order to do that, follow these steps:
  • First, you need to unhide the hidden files in your computer by enabling the “Show hidden files” option so that you’ll be able to see the hidden files in your computer.
  • After that, navigate to this path: C:Usersyour_usernameAppDataLocalMozillaFirefoxProfilesyour_profile_name
  • From there, you need to find the “favicons.SQLite” file and once you found it, delete it.
  • Next, you have to open the Firefox browser and create the same favicon configuration file which should be automatically created.
  • Now check if you can now see bookmark favicons on your Firefox browser or not.

Option 2 – Try to restart the favicon service

If the first option didn’t work, you can try to restart the favicon service instead. Restarting the favicon service can help if you do not see the correct bookmark favicon on your Firefox browser. To restart this service, follow the steps below.
  • You need to first open the Firefox browser and in the address bar, type “about:config” and tap Enter.
  • After that, you will see a page that displays a warning message. On that page, you need to click the “I accept the risk!” button to proceed.
  • Next, using the search box on the page, look for the “devtools.chrome.enabled” option. The value for this option should be set to “False” by default.
  • Double click on this option to set its value to “True”.
  • Once done, go to Menu > Web Developer > Browser Console or you could also tap the Ctrl + Shift + J keys, alternatively.
  • Afterwards, paste this command in the pop-up window that appears and then tap the Enter button: var fS = Components.classes["@mozilla.org/browser/favicon-service;1"] .getService(Components.interfaces.nsIFaviconService); fS.expireAllFavicons();
  • Once you’re done, restart your Firefox browser to check if it fixes the problem or not.

Option 3 – Try to disable all the add-ons in Firefox

The next option you can try to fix the problem is to disable all the installed add-ons in Firefox. More often than not, add-ons can cause issues in the browser so it is possible that one of the add-ons in Firefox is causing it to show incorrect or no bookmark favicon. To resolve this problem, you have to disable all the add-ons by opening Firefox and then going to Menu > Add-ons or you could also tap the Ctrl + Shift + A keys. After that, go to the Extensions section and click on the respective Disable buttons for each one of the add-ons. Once done, restart your computer and check if you can now see the bookmark favicons or not.

Option 4 – Try scanning your computer using Windows Defender

It is possible that the bookmark favicon problem is caused by some adware in the Firefox browser so you have to scan your computer to check by using security programs like Windows Defender.
  • Tap the Win + I keys to open Update & Security.
  • Then click on the Windows Security option and open Windows Defender Security Center.
  • Next, click on Virus & threat protection > Run a new advanced scan.
  • Now make sure that Full Scan is selected from the menu and then click the Scan Now button to get started.
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Fix 0x0000007c (ERROR_INVALID_LEVEL) in W11
0x0000007c error inside Windows 11 is a printer error that is manifested when Windows users are trying to connect to a shared network remote printer. Error is displayed by the message:
Windows cannot connect to the printer. Operation failed with error 0x0000007c.
If you are experiencing this type of annoyance, fear now we are providing you with several solutions to this problem.

0x0000007c (ERROR_INVALID_LEVEL)Update Windows 11

  1. Open the Start menu, click on the settings app
  2. Select Windows update tab
  3. Click on Check for updates
  4. Click on Advanced options
  5. Inside select Optional updates
  6. If there are optional updates click on Download & Install

Run the printer troubleshooter

  1. Press ⊞ WINDOWS + I to open settings
  2. Click on Troubleshoot navigation on the system tab
  3. Select Other trouble-shooters
  4. Click on the Run for printer troubleshooter
  5. If the error is found click on Apply this fix

Restart the Print Spooler Service

  1. Right-click on the Start button
  2. Click on RUN
  3. Type in services.msc and press OK
  4. Right-click on Printer Spooler service and select Restart

Clear the Print Spooler

  1. Open services like in the previous step
  2. Right-click Print Spooler and select STOP
  3. Open File explorer
  4. Navigate to: C:\Windows\System32\spool\drivers\x64\3 (64-bit Platform) C:\Windows\System32\spool\drivers\W32X86\3 (32-bit Platform)
  5. Delete everything inside folders
  6. Go back to services, right-click on Print Spooler and select RESTART

Reinstall Driver for printer

  1. Right-click on Start and select device manager
  2. Double click on the Print queues category
  3. Right-click on the printer and select Uninstall device
  4. Click on Uninstall on prompt
  5. Right-click on the Print queues category and select Scan for hardware Changes
Read More
Fix DRIVER_PAGE_FAULT_IN_FREED_SPECIAL_POOL
If you suddenly encounter the DRIVER_PAGE_FAULT_IN_FREED_SPECIAL_POOL Blue Screen error on your Windows 10 computer along with the error codes, 0x000000D5, 0xb10BBD9E, 0x0D82DA24, 0Xfecd479D, 0x779827CB then read on as this post will provide you some troubleshooting tips that could help you resolve the BSOD error. Getting this kind of BSOD error means that a driver has referenced memory that was freed earlier and it could also mean that the Driver Verifier Special Pool option has caught the driver accessing memory which was freed earlier. Follow the given options below to fix the DRIVER_PAGE_FAULT_IN_FREED_SPECIAL_POOL BSOD error.

Option 1 – Use the Driver Verifier Manager

The Driver Verifier Manager is another tool in Windows that could help you fix driver-related issues.
  • Type in the keyword “Verifier” in the Cortana search box to search for Verifier in Windows 10.
  • After that, select the option “Create custom settings”.
  • Make sure that you have checked everything except the options “DDI compliance checking” and “Randomized low resources simulation”.
  • Next, select the option “Select driver names from a list” option.
  • Afterward, you have to select all the drivers from any unofficial or third-party provider. To simply put it, you have to select all the drivers that are not supplied by Microsoft.
  • Then click on the Finish button.
  • Open Command Prompt as administrator and execute this command – verifier /querysettings
  • The command you just executed will display the Driver Verifier settings so if you see any of the flags enabled boot your Windows 10 PC into Safe Mode.
  • Open the Command Prompt as admin again and run this command – verifier /reset
  • The command will reset the Driver Verifier. Once the process is done, restart your PC and check.

Option 2 – Try updating SSD firmware

If you have installed SSD on your computer recently and you have started getting the DRIVER_PAGE_FAULT_IN_FREED_SPECIAL_POOL Blue Screen error since then you may have to update the SSD firmware. To fix this, you can download the Intel Solid-State Drive Toolbox from the official website. This toolbox is compatible with Windows 10 and Windows 7 and later versions.

Option 3 – Try running the Blue Screen Troubleshooter

The Blue Screen troubleshooter is a built-in tool in Windows 10 that helps users in fixing BSOD errors like DRIVER_PAGE_FAULT_IN_FREED_SPECIAL_POOL. It can be found in the Settings Troubleshooters page. To use it, refer to these steps:
  • Tap the Win + I keys to open the Settings panel.
  • Then go to Update & Security > Troubleshoot.
  • From there, look for the option called “Blue Screen” on your right-hand side and then click the “Run the troubleshooter” button to run the Blue Screen Troubleshooter and then follow the next on-screen options. Note that you might have to boot your PC into Safe Mode.

Option 4 – Try running Microsoft’s online Blue Screen Troubleshooter

If running the built-in Blue Screen Troubleshooter didn’t work, you can also try running Microsoft’s online Blue Screen Troubleshooter. All you have to do is go to Microsoft’s website and from there, you will see a simple wizard that will walk you through the troubleshooting process.

Option 5 – Try to reinstall or update device drivers of recently installed hardware

If the first few options didn’t work for you, then it’s time to either update or roll back the device drivers. It is most likely that after you updated your Windows computer that your driver also needs a refresh. On the other hand, if you have just updated your device drivers then you need to roll back the drivers to their previous versions. Whichever applies to you, refer to the steps below.
  • Open the Devices Manager from the Win X Menu.
  • Then locate the device drivers and right-click on them to open the Properties.
  • After that, switch to the Driver tab and click on the Uninstall Device button.
  • Follow the screen option to completely uninstall it.
  • Finally, restart your computer. It will just reinstall the device drivers automatically.
Note: You can install a dedicated driver on your computer in case you have it or you could also look for it directly from the website of the manufacturer.

Option 6 – Try disabling Hardware Acceleration

You might want to disable Hardware Acceleration system-wide or for a particular program like Google Chrome and see if it resolves the DRIVER_PAGE_FAULT_IN_FREED_SPECIAL_POOL BSOD error
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