What is HEIF file format and how to use it?

Anytime when a new folder is created in Windows name "New Folder" is offered and set as the default name. If by any chance you would like to change this and set your own default name instead of the standard one, follow this guide. Please be aware that this guide will require you to change the registry of Windows, it is common practice to make a backup of your registry each time you want to manually change any values in it, just in case something goes wrong.

• In order to change the default new folder name first press ⊞ WINDOWS + R to open the run dialog, type in it RegEdit, and press ENTER
• In registry editor find the key:

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer

• Select the NamingTemplates key. If it is not present, you’ll need to create one.
• Right-click the NamingTemplates key to add a String Value.
• Assign it the following name: RenameNameTemplate.
• Double-click on the RenameNameTemplate data value to open the Edit String dialog box.
• In the Value Data field enter the new text you want to appear when you create a new folder. You have to make sure you are not using any of the following characters: \ / ? : * " > < |
• Close the Registry Editor and Exit.
• Now, when you create a new folder, it will be named Whatever you chose instead of the New folder.

And that is all to it, you now have your own personal new folder naming template.

Windows 10 has a UWP app for its Camera that you can use to take pictures and videos. However, if you suddenly encounter an error code 0xa00f4243 while using the Camera UWP app, then you’ve come to the right place as this post will provide some potential fixes that you can use to fix the problem. This kind of error could be due to an outdated or corrupted driver or a third-party program. When this error appears on the Camera UWP app, you will see the following error message:

“Close other apps. It looks as though another app is already using the camera. If you need it, here’s the error code: 0xA00F4243 (0xC00D3704)”

To fix the error code: 0xA00F4243 (0xC00D3704) in the Camera UWP app, you can try to run the Windows Store Apps troubleshooter or reset the Camera app or update or reinstall the driver or apply some tweaks in the Registry Editor. In addition, you can also try checking the Windows Services or run the System File Checker.

Option 1 – Try to run the Windows Store Apps troubleshooter

The Windows 10 Store Apps Troubleshooter will help you in fixing the Camera UWP app error code: 0xA00F4243 (0xC00D3704). This is a great built-in tool from Microsoft that helps users fix any app installation issues. So this is worth a try to solve the problem. This built-in tool also helps you fix the Windows 10 Store if it isn’t working. To use the Windows Store Apps Troubleshooter, follow the steps below.

• Tap Win + I keys again to open the Windows Settings panel.
• Go to Update & Security and then go to Troubleshoot.
• Under the Troubleshoot section, on your left-hand side, scroll down to find Window Store Apps.
• Then click on the Run the troubleshooter option and follow the on-screen instructions and then see if it fixes the problem.

Option 2 – Try to reset the Camera app to fix

As pointed out earlier, you can also reset the Camera app to fix the error. To do so, follow the steps below.

• The first thing you have to do is go to the My Pictures folder under the C: drive of the File Explorer and then delete the Camera Roll folder.
• Once you’re done, right-click on an empty area on your screen and create a new folder and name it “Camera Roll”.
• Then from the Start menu open the Settings app and select System.
• From there, navigate to the Apps and features section.
• Now go to Camera and click on the Advanced Options and click the Reset button.

Option 3 – Try to reinstall the drivers for the Camera app

You might want to reinstall the Camera drivers as it could resolve the problem. To do so, refer to these steps:

• First, boot your computer into Safe Mode.
• After that, tap the Win + R keys to launch Run.
• Type in devmgmt.msc  into the box and tap Enter or click OK to open the Device Manager.
• After that, a list of device drivers will be displayed. From there, look for the driver listed under the Camera section and then, right-click on each entry of the device drivers and select the “Uninstall Device” option from the menu.
• Now restart your computer.
• After restarting your computer, go to the Settings app and Check for Updates in the Windows Update section.

Option 4 – Try to use the Registry Editor

• Tap the Win + R keys to open the Run utility and type “Regedit” in the field and hit Enter to open the Registry Editor.
• After that, navigate to this registry key: ComputerHKEY_LOCAL_MACHINESOFTWAREWOW6432NodeMicrosoftWindows Media FoundationPlatform
• Here, look for a DWORD named “EnableFrameServerMode” and if you can’t see it, just create a new DWORD by right-clicking on any empty space.
• Then select New > DWORD (32-bit) Value and name it as “EnableFrameServerMode”.
• Double click on the newly created DWORD and set its Value data to “0” and click on OK.
• Restart your computer and see if it fixes the Camera UWP app error code: 0xA00F4243 (0xC00D3704).

Option 5 – Try checking the Windows Services

Note that this option only applies to computers with Intel Hardware for the Camera.

• Tap the Win + R keys to open the Run dialog box and type “services.msc” and hit Enter to open the Services Manager.
• Next, look for the “Intel(R) RealSense(TM) Depth” service from the list of services and double click on it to open its Properties.
• After that, change its Startup Type to “Automatic” and make sure it’s running and then click on the Apply and OK buttons to save the changes made.
• Restart your computer and check if the problem has been resolved.

Option 6 – Try running System File Checker or SFC scan

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 to good system files. To run the SFC command, follow the steps given below.

• Tap Win + R to launch Run.
• Type in cmd in the field and tap Enter.
• 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.

• Reboot your PC.

What is Ammyy Admin

AmmyyAdmin is a software developed by Ammy. This software allows you to manage network computers and servers remotely without complicated NAT settings adjustments or Firewall problems. The program is similar in marketed function to TeamViewer or LogMeIn. This software does not require installation and it lets you control other computers or share files over the software. It usually comes bundled with other software. This software copes files into your computer and sometimes creates new startup keys that allow it to start each time your computer is restarted. AmmyAdmin might display additional ads in your browser as well as pop-up ads. Due to its ability to silently install and run remote administration, it could be used maliciously by those who intend to damage your computer or steal data. AmmyyAdmin is flagged for optional removal, and if you did not intentionally install it, removal is highly recommended

What is a Potentially Unwanted Program (PUP)?

If you’ve ever downloaded freeware or shareware, odds are high that your computer can get installed with a bunch of unwanted programs. A PUA / PUP (potentially unwanted application / potentially unwanted program) is a software program that comes bundled with freeware/shareware and you agree to install it on your computer system. These are programs you definitely don’t want on your system simply because it does not give any beneficial service. PUP doesn’t involve malware in the traditional sense. One simple difference between malware and PUP is distribution. Malware is typically dropped through vulnerability exploitation and in contrast, PUP gets installed with the consent of the end-user, who consciously or unknowingly authorizes the PUP installation on their computer. A PUP might not be viewed as malicious or harmful but nonetheless, it is a common cause of clunky operating systems; some PUPs are a lot more aggressive by deliberately slowing down your PC.

How PUPs affect you?

Potentially Unwanted Programs appear in different forms and varieties, but most times, they are adware programs that exhibit irritating pop-up adverts and advertisements on web pages you explore. In addition, most free software nowadays comes with quite a few unwanted add-ons; in many instances a web browser toolbar or browser modification like a homepage hijacker. They’ll modify browser settings, change default search provider, substitute the default home page with their very own websites, decelerate internet speed, and will damage your computer as well. They could look harmless but PUPs are usually spyware. Some might carry dialers, keyloggers, web browser hijackers, and tracking components that will collect system details, or tracks customer habits and relays these records to third-party organizations. Because of this unwanted program, your application might freeze, your security protections could get disabled which may leave the computer susceptible, your system may get damaged, and the list goes on and on.

Tips on protecting yourself from unwanted software

• When installing anything on your PC, always read the fine print, including the EULA. Do not accept terms of use that are for bundled programs. • Select the “custom” install whenever downloading a software program. Particularly, pay attention to those small boxes which have been checked as default, where you might ‘agree’ to receive advertisements or install software bundlers. • Use anti-PUP software. Security applications like Safebytes Anti-Malware offer the very best real-time protection from PUPs and also other malware. • Be alert if you download and install freeware, open-source programs, or shareware. Avoid downloading and installing browser extensions and programs you are not knowledgeable about. • Use only official product sites for downloading applications. Avoid download websites completely since the majority of websites force users to download the software using their own download manager, which is often bundled with some kind of unwanted program.

Safebytes Anti-Malware scans and detects malware for free. To complete removal, and ensure full PC protections, a paid license key is required.

Malware could potentially cause a lot of damage to your computer. Some malware sits in between the computer and the net connection and blocks a few or all internet sites that you would like to check out. It could also block you from installing anything on your computer, particularly anti-virus programs. If you are reading this article now, you’ve perhaps recognized that a malware infection is a reason behind your blocked net connectivity. So what do if you need to download and install an anti-virus application like Safebytes? There are a few solutions you can attempt to get around with this issue.

Boot Windows in Safe Mode

The Windows-based PC includes a special mode called “Safe Mode” where only the minimum required programs and services are loaded. In the event the malware is blocking internet connection and affecting your PC, running it in Safe Mode enables you to download antivirus and run a scan while limiting potential damage. To enter into Safe Mode or Safe Mode with Networking, press F8 while the system is booting up or run MSCONFIG and locate the “Safe Boot” options in the “Boot” tab. Once you’re in Safe Mode, you can try to download and install your anti-malware software program without the hindrance of the malicious software. Following installation, run the malware scanner to eliminate most standard infections.

Obtain the security program in an alternate web browser

Certain malware may target vulnerabilities of a specific web browser that obstruct the downloading process. If you seem to have a virus attached to Internet Explorer, then switch over to an alternate browser with built-in security features, such as Firefox or Chrome, to download your favorite antivirus program – Safebytes.

Create a portable anti-malware for removing malware

Here’s another solution which is utilizing a portable USB antivirus software that can check your system for malicious software without the need for installation. Adopt these measures to run the anti-malware on the infected computer system. 1) On a clean computer, install Safebytes Anti-Malware. 2) Plug the Thumb drive into the uninfected computer. 3) Double-click the exe file to run the installation wizard. 4) Pick a USB flash drive as the location when the wizard asks you where you want to install the program. Follow the on-screen instructions to finish the installation process. 5) Remove the flash drive. Now you can utilize this portable anti-virus on the affected computer system. 6) Double-click the anti-malware program EXE file on the flash drive. 7) Run Full System Scan to identify and clean-up up all sorts of malware. These days, an anti-malware program can protect your computer from different forms of online threats. But how to select the right one amongst countless malware protection software that is available in the market? As you might be aware, there are numerous anti-malware companies and products for you to consider. Some of them are great, some are ok types, while some will ruin your computer themselves! You have to choose one that is reliable, practical, and has a strong reputation for its malware source protection. One of the strongly recommended software is SafeBytes AntiMalware. SafeBytes has a superb reputation for quality service, and customers appear to be very happy with it. SafeBytes can be described as a highly effective, real-time anti-malware application that is created to assist everyday computer users in safeguarding their computers from malicious internet threats. Using its cutting-edge technology, this application will assist you to eradicate multiples types of malware like computer viruses, PUPs, trojans, worms, ransomware, adware, and browser hijackers. There are many wonderful features you will get with this security product. Below are some typical features found in this software: Robust, Anti-malware Protection: Built on a highly acclaimed anti-virus engine, this malware removal application has the capacity to find and get rid of various obstinate malware threats like browser hijackers, PUPs, and ransomware that other common antivirus software will miss. Real-time Protection: Malware programs attempting to get into the system are identified and stopped as and when detected by the SafeBytes active protection shields. They are very effective in screening and eliminating different threats because they’re constantly improved with the latest updates and alerts. Internet Security: Safebytes assigns all sites a unique safety score that helps you to get an idea of whether the webpage you’re going to visit is safe to browse or known to be a phishing site. Light-weight: This software program is not “heavy” on the computer’s resources, so you’ll not notice any performance problems when SafeBytes is working in the background. 24/7 Online Support: Skilled technicians are at your disposal 24/7! They will promptly resolve any technical issues you might be experiencing with your security software. SafeBytes has come up with a wonderful anti-malware solution that can help you conquer the latest malware threats and virus attacks. Once you’ve installed SafeBytes Anti-Malware, you will no longer need to bother about malware or other security worries. To ensure the complete removal, manually check your hard drive and registry for all of the following and remove or reset the values accordingly. Please note that this is for advanced users only and may be difficult, with incorrect file removal causing additional PC errors. In addition, some malware is capable of replicating or preventing deletion. Doing this in Safe Mode is advised.

Google Docs has cemented itself as a great free alternative to Microsoft Office Word. Most of the time people just share links to google Docs among themselves but sometimes you need to save and download files.

Luckily Google docs let you download easily files in various formats including PDF as well. In this short tutorial we will explain how can you download your Google document as a PDF file.

Saving Google Docs as a PDF

Open the Google document inside the browser and click on the File drop-down menu. In the file drop-down menu go to Download and choose PDF document. Next, choose the location where you would like your file to be saved and click on SAVE.

And that's all that needs to be done. Also, you can edit PDF files as well in google docs if you need to.

In case you don’t know, when you visit a website that uses HTTPS, it also offers an SSL certificate to the browser in order to verify the website’s identity. Although it may contain lots of things inside it, one of them is the URL of the website. So if the certificate does not match the URL to what you entered, you will most likely get the “Server’s certificate does not match, ERR CERT COMMON NAME INVALID” error which indicates that the connection is not private and the site may try to steal your data but worry not, as this post will guide you in resolving this issue. To fix the ERR_CERT_COMMON_NAME_INVALID error, here are some suggestions that might help.

Option 1 – Check the website’s certificate

If you own the website where you’re getting the error, then you might have to check if the website’s certificate is installed properly and configured on the server as it could be the reason why you’re suddenly getting the error.

Option 2 – Check the Windows Host file

You can also try to cross-check the Windows Hosts file to find out if the website you are trying to open has been blocked, because if it is, then it’s no wonder why you’re getting the ERR_CERT_COMMON_NAME_INVALID error. There are instances when some third-party application modifies the file and adds some websites to the blocklists. So if the website is indeed blocked, you need to remove it from the list.

Option 3 – Use the Google Public DNS

You might want to change your DNS to Google Public DNS as it could also help you in fixing the ERR_CERT_COMMON_NAME_INVALID error in Chrome. To do so, follow the steps below.

• The first thing you have to do is right-click on the network icon in the Taskbar and select Network and Sharing Center.
• Next, click on the “Change Adapter Settings” option.
• After that, search for the network connection that you are using to connect to the internet. Note that the option might be “Wireless Connection” or “Local Area Connection”.
• Right-click on your network connection and click on Properties.
• Then select the new window to choose the “Internet Protocol 4 (TCP/IPv4)” option.
• After that, click on the Properties button and click the checkbox in the new window for the option “Use the following DNS server addresses”.
• Type in “8.8.8.8” and “8.8.4.4” and click OK and exit.

Option 4 – Run the built-in Malware Scanner and Cleanup Tool in Chrome

In case you don’t know, there is actually a built-in malware scanner and cleanup tool in Chrome that helps you get rid of any unwanted ads, pop-ups, and even malware, as well as unusual startup pages, toolbars, and other things that could affect the performance of the browser. In addition, this built-in tool in Chrome might also help in fixing the ERR_CERT_COMMON_NAME_INVALID error.

Option 5 – Reset Chrome

Resetting Chrome can also help you get rid of the error. Resetting Chrome means restoring its default settings, disabling all the extensions, add-ons, and themes. Aside from that, the content settings will be reset as well and the cookies, cache, and site data will also be deleted. To reset Chrome, here’s what you have to do:

• Open Google Chrome, then tap the Alt + F keys.
• After that, click on Settings.
• Next, scroll down until you see the Advanced option, once you see it, click on it.
• After clicking the Advanced option, go to the “Restore and clean up option and click on the “Restore settings to their original defaults” option to reset Google Chrome.
• Now restart Google Chrome.

If you are getting this error even if STEAM.EXE is present on your system then follow the easy guide to solve the issue.

1. Scan your system for malware

   Scan your complete system for viruses and other malware. If all the scans come negative then move to the next step.

2. Disable your anti-virus software

   Some anti-virus and anti-malware software can detect steam as a potential threat and block it. Turn off your protection software and try to run Steam once all your protection is disabled. If this works you will need to either place Steam in the applications exception list or to move to another protection software.

3. Remove administrator privileges from steam client

   Right-click on steam.exe and choose properties, go to the compatibility tab, and uncheck run this program as administrator. Try to run Steam again.

4. Delete Steam registry value

   If everything else failed try deleting the registry value for steam. Open registry editor and locate key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options Double click on Image File Execution, find steam on left, right-click on it, and choose delete. Save and exit the registry editor.

One of the worst problems users can encounter on their computers is Blue Screen of Death errors as some of them are quite hard to fix. One of them is the “The driver detected a controller error” Blue Screen error. It could be followed by “DeviceIdeIdeport0 OR”, “on deviceharddisk0dr0”, or “DR3” or the name of the drive or port that’s causing the problem. If you are one of the users who encountered this error, then the suggestions provided in this post would definitely help you in fixing the problem.

Option 1 – Try to disconnect and reconnect all hardware and cables

A lot of users reported that they were able to fix the problem by disconnecting and reconnecting cables and hardware like scanners, printers, cameras can help in fixing the problem. In addition, you can also boot your computer in a Clean Boot State so that you can find the problematic hardware by hit and trial method. Refer to the steps below to do so:

• 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.)

Option 2 – Update the device drivers

Updating the outdated device drivers in your computer can also help in fixing the problem. To do so, refer to these steps:

• First, boot your computer into Safe Mode.
• After that, tap the Win + R keys to launch Run.
• Type in devmgmt.msc into the box and tap Enter or click OK to open the Device Manager.
• After that, a list of device drivers will be displayed. From there, look for any outdated device drivers and click on each one of them.
• After that, right-click on each entry of the device drivers and select the “Uninstall Device” option from the menu.
• Now restart your computer.
• After restarting your computer, go to the Settings app and Check for Updates in the Windows Update section.

Option 3 – Try to update the BIOS

Updating the BIOS can help you fix the ATTEMPTED_WRITE_TO_READONLY_MEMORY BSOD error but as you know, BIOS is a sensitive part of a computer. Even though it is a software component, the functioning of the hardware depends on it largely. Thus, you must be careful when modifying something in the BIOS. So if you don’t know much about it, it’s best if you skip on this option and try the other ones instead. However, if you are well-versed in navigating the BIOS, then follow the steps below.

• Tap the Win + R keys to open the Run dialog box.
• Next, type “msinfo32” in the field and press Enter to open System Information.
• From there, you should find a search field on the bottom where you have to search for the BIOS version and then press Enter.
• After that, you should see the developer and version of the BIOS installed on your PC.
• Go to your manufacturer’s website and then download the latest version of BIOS on your computer.
• If you are using a laptop, make sure that you keep it plugged in until you have updated the BIOS.
• Now double click on the downloaded file and install the new BIOS version on your computer.
• Now restart your computer to apply the changes made.

Option 4 – Try running the Blue Screen Troubleshooter

You might also want to run the Blue Screen troubleshooter. It is one of the built-in tools in Windows 10 that helps users in fixing system issues including Blue Screen errors. 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 5 – Try running the Memory Diagnostic Tool

The Memory Diagnostic tool in windows can help resolve the “The driver detected a controller error” Blue Screen error by checking and automatically fixing any memory-based issues. To run it, refer to these steps:

• Tap the Win + R keys to open Run and type mdsched.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 your preferred option, your computer will restart and check for memory-based issues. If it finds any issues, it will automatically fix them and if there’s no issue found, then it’s most likely not a memory-based issue so you should try the other options given below.

Option 6 – Replace your motherboard

If your computer is still under warranty, you should consider replacing your computer’s motherboard in case the options given above failed to work in fixing the Blue Screen error.

Minecraft has taken the world by the storm, it was an indie project game and it went mainstream. Dream of every game developer I guess. The dream of every gamer on the other hand is to double click on the game and to play it and not to deal with various issues, especially if they are launch issues. Luckily for all of you gamers, here at errortools we game as well and we are happy to bring you a solution on how to fix Minecraft won't launch issue. So sit back, relax and keep on reading, and hopefully enough you will be gaming again in no time. Follow the guide presented step by step, point by point how it is presented for the quickest way to get back in Minecraft. This guide also presumes that your hardware configurations meet at least the minimum system requirements for running Minecraft.

1. Disable antivirus and firewall

   90% of the time this is the issue why Minecraft is not working, your antivirus or firewall has detected it as a false positive, and access to system internet, etc has been cut. Try disabling it and if everything is working fine add it to the antivirus or the firewall exception list.

2. Run Minecraft as admin

   Minecraft will sometimes refuse to run if it does not has administrator privileges. To make sure this is the case locate the Minecraft executable, right-click on it and choose properties. Go to the compatibility tab and check Run as Administrator box.

3. End Minecraft process

   It came to knowledge that even if Minecraft is not running it can have its processes active in the background. Press CTRL + SHIFT + ESC to open task manager Locate if Minecraft has a process running If you find the Minecraft process right-click on it and choose End Task

4. Run Minecraft in compatibility mode

   If Minecraft still refuses to start try running it in compatibility mode in the previous Windows version Locate Minecraft executable file in its install location Right-click on it and choose properties In the properties, windows go to the compatibility tab Check run this program in compatibility mode for: Select previous version of the operating system, try Windows 8 or Windows 7

5. Update graphic card driver

   The best bet is to go to your GPU manufacturer's website and download the latest version of the driver of your GPU.

6. Remove mods, plugins, texture packs

   Mods, plugins, texture packs are all great but sometimes they can cause GPU overloads and other issues to see if this is the case try running Minecraft in Vannila mode without anything installed, just pure and clean Minecraft as it was just downloaded and installed.

7. Reinstall Minecraft

   If everything else failed, reinstall Minecraft. There might be a chance that some DLL file was deleted or corrupted by mistake or that some crucial files are missing. Clean reinstallation will fix all of these issues.

Typical use of file explorer will probably not need any kind of elevated privileges, but from time to time you might encounter some tasks that will require administrator rights in order to perform them. If this is the case you will need to run file explorer with these rights but inside Windows 11 that is somewhat hidden and not 1 click away. How this is the case we have decided to put a little tutorial on how to accomplish this very task and run file explorer with administrator privileges.

Open File Explorer via EXE file

1. Open File Explorer typically
2. Navigate to This PC > Windows (C:) > Windows
3. Locate file explorer application
4. Right-click on it and select Run as Administrator
5. Run File Explorer

A new instance of file explorer will pop with elevated administrator privileges.

Run it as an administrator using the Task Manager

1. Open the Task Manager ( CTRL + SHIFT + ESC )
2. Click on More details (at the bottom)
3. After the task manager expands click on the File tab
4. Click on Run New Task
5. Type in explorer.exe and check the box next to it that says Create this task with administrative privileges
6. Click on OK

File Explorer will now run as administrator.

Error 400 - What is it?

Error 400 is a bad request error that displays in the internet browser like a web page. It pops up when the web page you’ve requested cannot be found. Error 400 may be displayed in one of the following formats on the computer screen:

• ‘400 Bad Request’
• Bad Request - Invalid URL"
• "HTTP Error 400 - Bad Request"
• "Bad Request. Your browser sent a request that this server could not understand.”
• "HTTP Error 400. The request hostname is invalid."
• "400 - Bad request. The request could not be understood by the server due to malformed syntax. The client should not repeat the request without modifications."

Solution

Error Causes

Error 400 can be generated due to multiple reasons. These include:

• Wrong URL
• Browser cookies
• Outdated DNS cache

Though this error code is not fatal like the blue screen of death and runtime errors nonetheless it is still advisable to fix it to access your desired website without any inconvenience.

Further Information and Manual Repair

Here are some of the best ways to fix error 400 on your PC without any professional help. Try these methods to resolve error 400:

Method 1

This might come to you by surprise that the most common cause for a 400 Bad Request error is because the URL of the website was typed wrong. So, first things first make sure the URL you’ve inserted is correct. If the URL typed is correct, then try other methods illustrated below.

Method 2

Sometimes error 400 may pop up due to outdated DNS records. DNS cache stores the location (IP addresses) of web servers that contain pages that you’ve viewed recently. You are unable to access the site if the location of the webserver changes before the entry in your DNS cache updates. If this is the error cause then simply clear your DNS cache to resolve. Follow these steps to clear the DNS cache on Windows 8.

• Press Win+X to open the WinX menu.
• Now ‘right click’ on command prompt and select RUN as Administrator. Enter the following command:
• ipconfig /flushdns

If the command was successful, you will see the following message: Windows IP configuration successfully flushed the DNS Resolver Cache. This method will hopefully repair error 400 on your computer screen.

Method 3

Another reason for error 400 can be browser cookies. Many sites report error 400 when a cookie it reads is corrupt or too old. In such a situation it is advisable to clear your browser cookies. You can do it manually but it can be time-consuming virtually because the steps involved in deleting cookies differ considerably depending on what web browser you’re using. So, to avoid the hassle it is advisable to download Reimage to remove browser cookies immediately. This is a user-friendly PC Fixer deployed with a powerful registry cleaner. It removes all obsolete and unnecessary files from your PC including junk files, internet history, and cookies in seconds. Click here to download Restoro.