How to Delete your data from the internet

As you know, one of the basic apps in the Windows 10 operating system is the calculator and it can even be extended to a scientific calculator which makes it really useful for users. However, there are instances when you might encounter some issues while using this app. One of the issues about the Calculator app that’s been reported recently is that the Calculator app is not working. If you encounter the same problem, then you’ve come to the right place as this post will guide you on what you can do to fix the problem. Based on the reports, users claimed that the issue with the Calculator app occurred right after they’ve installed a feature update, while other users claimed that the Calculator app never really worked on their computers and there are also cases where the app opens but it either freezes or crashes. According to researchers, the main causes of the problem include a feature update that could’ve altered the settings. It could also be due to problems with the login account or corrupted and missing files, or the problem could also with the calculate app itself. To resolve this problem, here are some suggestions you can follow.

Option 1 – Run the System File Checker 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 that might be the reason why the calculator app is not working properly. 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 computer.

Option 2 – Run the DISM tool

You can also run the DISM Tool as it helps in repairing the Windows System Image as well as the Windows Component Store in Windows 10. Using this built-in tool, you have various options such as the “/ScanHealth”, “/CheckHealth”, and “/RestoreHealth” that could help in fixing the Calculator app.

• Open the Command Prompt with admin privileges.
• Then type in the following commands and make sure to hit Enter right after you type each one of them:
  • Dism /Online /Cleanup-Image /CheckHealth
  • Dism /Online /Cleanup-Image /ScanHealth
  • Dism (.)exe /Online /Cleanup-image /Restorehealth
• Do not close the window if the process takes a while as it will probably take a few minutes to finish.

Option 3 – Try logging into your computer using a different User Account

You might want to try logging into a different User Account since it is possible that the issue could have something to do with your log-in account. Thus, you can isolate this possibility by logging into a different user account. If you don’t have any other user account, simply create a new one by clicking on the Start icon and then go to Settings > Account > Family & other users. From there, go to the Other user's section and click on the Add someone else to this PC option, and then inputs all the needed information and restarts your computer. Once your computer has restarted, log into your computer using the newly created user account.

Option 4 – Try to reset or reinstall the Calculator app

If the first three given options didn’t work, you might want to reset or reinstall the Calculator app. To do that, follow these steps:

• Click on the Start button and go to Settings > Apps > Apps and features.
• Next, look for the Calculator app from the app list and click on it to see its other options.
• After that, select the Advanced options and go to the Reset section and then click on the Reset button to reset the Calculator app.

Note: You also have the option to reinstall the Calculator app. All you have the option to visit Microsoft Store and from there, uninstall the Calculator app.

What is 0x8007043c Error Code?

Have you ever come across 0x8007043c error message pop up on your PC? If yes, then you should know that this error message is generated when any corresponding process or operation cannot be completed successfully by the application. This is a critical Windows OS Error message that should be fixed immediately.

Solution

Error Causes

The 0x8007043c error code is usually triggered by the following reasons:

• Missing or corrupt registry files
• Failure to update Windows Installer
• Viruses and Spyware

Common signs of this error code are pop-up messages, program lock-ups, problems with opening documents, and screen freeze.

Further Information and Manual Repair

As soon as you experience this error on your PC, it is advisable to repair it immediately because this error poses high-security risks. Malwares and viruses are notorious for data theft. To fix the 0x8007043c error on your PC, you don’t need to take on the services of an IT professional. This error code is rated as easy to repair. By following the instruction and repair solutions given below, you can easily fix this Window error 0x8007043c in a couple of minutes by yourself. Here’s what you need to do:

Step 1: Scan for Viruses and Spyware

To stop hackers from sneaking into your PC and stealing your confidential data, you must first scan your computer for viruses and spyware on your PC. It is advisable to use a powerful antivirus to ensure your computer is totally virus and spyware clean.

Step 2: Download and Install a Registry Cleaner

After you scan for viruses, you should now download and install a registry cleaner. This is needed because an antivirus does not detect corrupt registry entries. To detect such entries, the registry cleaner tool is the best. After you download a registry cleaner on your system, click the scan button. You will have to wait for a few seconds for the scanning to finish. Once the scanning is complete, click on the ‘Repair’ button to fix the errors. After fixing all the errors, restart your computer. This is important because the registry changes will only come into effect after the system restarts. By following these 2 simple steps, you can easily resolve the 0x8007043c error on your system. However, to prevent this error from occurring again, it is recommended to run the antivirus every time you use your PC.

ActiveX Controls are plugins you may constantly come across when working with Internet Explorer. An illustration of these kinds of control is the MICROSOFT IE Flash Player. They frequently result into significant problems for the Computer, yet they're vital for IE to operate correctly. You shouldn't ever overlook that after you install Active Controls in your Personal Computer, you effectively provide them with access to other areas of your PC. The ActiveX Controls not only tracks your search routines, but in addition puts malicious software, which might possibly be hazardous to your Computer.

Solution

Error Causes

ActiveX Controls make your Internet Explorer work as required and are usually great and beneficial to your own Computer. Yet, they can function as a source of problems because of the following factors.

• You should stop installing  ActiveX Controls from Un Trustworthy Resources

In the event they are installed by you from un trustworthy resources new threats are likely introduced by ActiveX Controls to your PC. One of the more regular types of ActiveX Controls worth necessary for installation is Flash Player. Yet, never be in a hurry to install these Controls from resources that you don't trust.

• Limit The Number of ActiveX Controls You Install on your PC

Prevent installing java/oracle ActiveX controls, because of its weak security measures which could make your Personal Computer and any additional information there in, open to attacks. Limit to the variety of ActiveX Controls that you install on your PC as these could increase the vulnerability canvas on your computer.

Further Information and Manual Repair

You can manually fix any malfunction that springs up from ActiveX Controls. Yet, more than mending the harm, produce the setting that ensures you never have troubles from them to start with. Just how do you do that?

a) Stop installing or downloading ActiveX Controls from Un Trustworthy Sources

This has been mentioned above, but it's worth repeating because it's the most common reason behind ActiveX Controls malfunctions. You might anticipate that for this kind of obvious reason for ActiveX Controls malfunctions, PC consumers would be extra cautious, however that is never true.

b) Limit ActiveX Controls Softwares

You can restrict ActiveX controls from running automatically on your PC. To limit them, head to Tools in Internet Explorer, and choose Internet Options. Proceed to the Security tab, and select Customs level Browse completely down before you get to the area designated "ActiveX". Subsequently, mark "Prompt" under every choice that you encounter. But don't mark the choice indicated "Run ActiveX Controls and Plug-Ins", together with, "Script ActiveX Controls Marked Safe for Scripting". By performing the measures emphasized above, you happen to be in substance stating that, you will not permit any installation of ActiveX Controls, without express authorization by you. In this manner, you have better control over different forms of ActiveX Controls you permit to be installed, therefore reducing potential threats to your PC.

Waol.exe Error - What is it?

Waol.exe is an executable file located in a subfolder of "C:\Program Files" - usually C:\Program Files\America Online 9.0a. Waol.exe is not a core file but it is an important part of AOL (American Online) utilities. It ensures the AOL programs run smoothly on your system. The Waol.exe error occurs when the AOL program fails to execute and run properly. The error message is displayed in the following format:

“Waol.exe has encountered a problem and needs to close. We are sorry for the inconvenience.’

Solution

Error Causes

Waol.exe error typically occurs when this executable file gets infected by a virus, Trojan, adware, or spyware. When this happens the file location also changes. Therefore the best way to verify if your PC is under attack by malicious software is to check the Waol.exe file location on your PC. If the file is found in some other location instead of its correct disk location, then you must immediately fix this error before the damage sets it. Malicious software like viruses and spyware are notorious for slowing down PC performance and besides they give access to hackers to break into your system and manipulate your confidential and private data saved on your PC. This exposes you to serious privacy errors and data security dangers including identity thefts, cybercrime, and data breaches. Furthermore, viruses can also corrupt the computer’s registry and lead to system failure and crashes.

Further Information and Manual Repair

To resolve Waol.exe error many PC users seek an antivirus. Though this also helps resolve the issue but you should know that an antivirus has certain limitations. It is known to slow down the system speed and will only remove viruses from your PC. This means if the virus has affected the registry of your PC, it will not resolve that, and to repair your registry you may then have to download a registry cleaner separately on your system thereby reducing the PC speed even more. To ensure all kinds of malware are removed and registry issues resolved along with system speed optimization, it is recommended to download Restoro. This is an advanced, innovative, and multi-functional PC repair tool deployed with a variety of powerful utilities. These include a registry cleaner and a system optimizer. It is safe, efficient, user-friendly, and compatible with all Windows versions including Vista, XP, Windows 7, 8, 8.1, and 10. The antivirus feature embedded inside this software detects scans and removes all malicious programs infecting your PC immediately. It resolves all your system’s privacy issues and makes sure that your system is inaccessible to hackers. Besides this, the registry cleaner removes files cluttering and damaging the registry and also restores it. With the help of the system stability detector, it detects errors causing PC slowdowns and resolves them too thereby boosting the speed of your PC dramatically. To resolve Waol.exe error right away, click here to download Restoro today.

Windows 11 is a good-looking operating system but people love to make things personal and to their liking so we decided to help you in this mission with small customization of changing default system fonts inside Windows 11.

Since there is no really easy way to just switch the font windows is using for itself we will have to tweak a registry a little so before we start please do make a backup of the registry file and follow the steps as they are presented in order to avoid any errors and break the system.

So, if all precautions are made and you are ready to change your Windows appearance let's dive right into it:

Find and/or install the font that you wish to use

There are vast free font sites on the internet where you can find fonts that you like and wish to use but be very careful with your desired font selection. The font that you choose needs to be a complete typeface, meaning that it has to contain all glyphs, large and small font sizes, all special characters, etc or you will experience that in certain areas nothing will be displayed.

Once you have found the font that you like and made sure it is a complete font, install it on your system (you can skip this step if you just want to change the system font with one already installed on your system)

Create REG file

Open notepad or a similar plain text editor in order to create a file that will apply changes directly into the registry and create a new file. Inside the file paste this text:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Fonts]
"Segoe UI (TrueType)"=""
"Segoe UI Bold (TrueType)"=""
"Segoe UI Bold Italic (TrueType)"=""
"Segoe UI Italic (TrueType)"=""
"Segoe UI Light (TrueType)"=""
"Segoe UI Semibold (TrueType)"=""
"Segoe UI Symbol (TrueType)"=""

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\FontSubstitutes]

"Segoe UI"="NEW-FONT"

All the way to the bottom where it says: "Segoe UI"="NEW-FONT", change NEW-FONT with the font name that you have chosen or installed in the previous step. For example: "Segoe UI"="Ubuntu".

Now go to File > Save As and name your file however you want but give it REG extension so it looks like: my_new_windows_font.REG

Apply changes

Now that you have your registry entry saved, locate it and double-click on it, at this stage Windows warning will probably pop up, you can just ignore it and click on YES since you wrote the file and know what it is. After registry entry is applied reboot your PC in order for changes to take effect.

Rolling back

If you want to change the font to another one, just repeat this procedure again. If you want to roll back to using the default Windows font, repeat the process but with this code instead of the one provided in the REG file:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Fonts]
"Segoe UI (TrueType)"="segoeui.ttf"
"Segoe UI Black (TrueType)"="seguibl.ttf"
"Segoe UI Black Italic (TrueType)"="seguibli.ttf"
"Segoe UI Bold (TrueType)"="segoeuib.ttf"
"Segoe UI Bold Italic (TrueType)"="segoeuiz.ttf"
"Segoe UI Emoji (TrueType)"="seguiemj.ttf"
"Segoe UI Historic (TrueType)"="seguihis.ttf"
"Segoe UI Italic (TrueType)"="segoeuii.ttf"
"Segoe UI Light (TrueType)"="segoeuil.ttf"
"Segoe UI Light Italic (TrueType)"="seguili.ttf"
"Segoe UI Semibold (TrueType)"="seguisb.ttf"
"Segoe UI Semibold Italic (TrueType)"="seguisbi.ttf"
"Segoe UI Semilight (TrueType)"="segoeuisl.ttf"
"Segoe UI Semilight Italic (TrueType)"="seguisli.ttf"
"Segoe UI Symbol (TrueType)"="seguisym.ttf"
"Segoe MDL2 Assets (TrueType)"="segmdl2.ttf"
"Segoe Print (TrueType)"="segoepr.ttf"
"Segoe Print Bold (TrueType)"="segoeprb.ttf"
"Segoe Script (TrueType)"="segoesc.ttf"
"Segoe Script Bold (TrueType)"="segoescb.ttf"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\FontSubstitutes]

"Segoe UI"=-

When we are working on our computer, we have tendencies to make it look and behave to our best needs and however, best suits us. The Internet has crawled into our lives and made itself a must-have in modern society, internet browsers as a crucial piece of software for viewing the web have also grown and made themselves to be more open for user settings and personalization, Chrome, one of the most popular browser has the option to open a specific set of pages one it is opened and that is what we will cover today in this tutorial. No matter would you like to by default open some online store, maybe an email or news website, you can open each of them or all of them once Chrome is run, making your daily routine more enjoyable and stress-free. The first thing, of course, is to start Chrome itself, once Chrome is up, click on three dots in the upper right corner of the Chrome window and select settings. When you are in settings, on the left side move toward the bottom until you run into a tab that says On Startup and click on it. On right, a new section will open, click on Open a specific page or set of pages. You will be presented with the option to add a new page by typing its URL or getting it from bookmarks or using a specific opened one. You can repeat this process until you have added all pages that you wish to be automatically opened once Chrome is opened for the first time.

BONUS:

If you have noticed right above the setting that we have used for opening a specific set of pages there is the option Continue where you left off, this option will open each page exactly where it was when Chrome was shut down letting you keep viewing where you have left off. This is useful if by any chance your battery ran out or you had to quickly turn the computer off for whatever reason.

When Windows is installed on a clean hard drive it usually finds most of the needed drivers for our computer to run, but if we by any chance have any old unsupported hardware or some exotic one chance are very high that Windows will not be able to locate and install drivers for it. And sometimes we do not even have drivers from where to download them, let's say for example you have purchased a second-hand laptop with Windows on it, you wish to create a clean and fresh copy of new Windows installation but you do not have drivers, and let us say the model is not supported so you can not download them. In this case, this shown method will help you a ton and save you a lot of time and frustration. So, in order to back all of your drivers from your Windows follow this simple guide step by step. Note please that this method will backup drivers themselves, you will not backup installation packages of drivers or similar stuff, only drivers installed in Windows itself.

Backing up the drivers

First thing first, create a folder where you want your drivers to be backed up somewhere in your HD and give it any name. Second, press ⊞ WINDOWS + X to open the secret Windows menu. From the menu choose Command Prompt (administrator) When the command prompt is active type the next command in it: DISM /online /export-driver /destination:C:\DriverBackup where: C:\DriverBackup is the folder and the hard drive where you want to store your backed-up drivers. Press ENTER That's it, you have now successfully backed-up all of your installed Windows drivers. Now, save all of your drivers on USB and reinstall Windows.

In order to now return backed drivers do the following:

Press again ⊞ WINDOWS + X to open the secret Windows menu. but this time choose Device manager From decide, manager right-click on any device Windows has not been able to install appropriate driver and choose update driver

• Click on the Browse my computer for driver software option.
• Click the Browse button.
• Select the folder with the driver backup.
• Check the Include subfolders option.
• Click the Next button.
• Click the Close button.

Despite popular belief, there are a lot of users running Linux OS. Linux offers great security and working environment and 96.3% of the world's top 1 million servers run on Linux. 90% of all cloud infrastructure operates on Linux and practically all the best cloud hosts use it. But gaming on Linux is limited, enter Steam proton a Valve’s gaming solution.

What is Steam proton?

Proton is a WINE fork with some extra capabilities, to play games and run applications not native and not made to run natively under Linux OS. It is supposed to bridge the Gaming issues for PC users and let them more freedom in choosing an operating system to game on.

Find out if your game supports Proton

Although there are a lot of titles that nowadays run natively on Linux some will still need proton in order to run at all and sadly some of them will not be able to run on Linux even via proton but seeing how Valve is busy and it is trying to push its ideas and technology slowly this gap is closing. In order to see how the game you want to play performs and behaves on Linux and proton environment visit https://www.protondb.com/ and find out. As soon as the site loads you will be greeted with statistics and a search option to find out the status of the desired game with one of the given statuses: Borked, Bronze, Silver, Gold, Platinum, and Native. As you probably guessed native means that the game will work on Linux out of the box and borked will probably not work at all. Platinum and gold status means that game will run on proton without any input or tweaks from the user while silver and bronze means that it will work but might need some tweaks in order to make it work.

How to get Steam proton?

In order to run games under proton inside Linux, you will need firstly a Steam client which luckily works naturally on Linux. Unlocking/activating Steam Proton on your Linux-based system is easy. Just head over to Steam > Settings > Steam Play and toggle the option “Enable Steam Play for Supported Titles”. Valve has tested and fixed some Steam titles and you will now be able to play those titles. However, if you wish to go even further beyond, and play titles that even Valve has not tested, toggle the option “Enable Steam Play for all titles”.

Conclusion

Even we are not there yet, native gaming on Linux is gaining a foothold each day. Will Steam’s OS with proton technology be one that will turn the tide from Windows or some other tech we cannot tell but one thing is for sure, more choices mean better products so I am hopeful for a bright future.

Each you connect time external devices like scanners, printers, and the likes to a Windows 10 computer, the device either pushes the drivers through the USB or any other port, or you are expected to install the drivers through external media. In both cases, the driver will be loaded into the system, allowing you to use the device. However, it doesn’t always go smoothly as you could encounter some errors like the “Windows cannot load the Device Driver for this hardware because a previous instance of the Device Driver is still in memory ( Code 38 )”. If you encounter such an error in the Device Manager, then this means that a previous version of the device driver is still in memory and that each time the device is used, that previous version is loaded into memory and then unloaded which triggers the “Windows cannot load the Device Driver for this hardware because a previous instance of the Device Driver is still in memory (Code 38)” error. This kind of error occurs if the operating system loads the unwanted driver or if it fails to unload the driver. It could be that there is an obsolete version of the driver that’s still installed in the system or it could also be that you need to update your USB drivers as they could be outdated or the problem could also be due to some third party program that is interfering with the installation. Whatever the cause is, here are some suggestions you can check out to resolve the problem.

Option 1 – Uninstall previously installed drivers and reinstall their latest working version from the manufacturer’s website

The first thing you can do is to uninstall the drivers that are currently installed on your computer and then reinstall their latest working versions from their official sites. This kind of error is commonly encountered while loading drivers for scanners and printers. This is due to the fact that their drivers and software come along with a package which is usually in external media like CD or DVD. So when you install the software package, there’s a possibility that a newer version has been launched by its manufacturer. When that happens, you have to uninstall the previously installed driver package and then download the drivers from the manufacturer’s website and install them.

Option 2 – Run the Hardware and Devices Troubleshooter

• 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 3 – Update or reinstall the Universal Serial Bus Controller driver

Since it could be a driver issue, you can try to update or reinstall the Universal Serial Bus Controller drivers using the Device Manager. Refer to the following steps:

• First, click the Start button and type “device manager”.
• Then click on the “Device Manager” from the search results to open it.
• From there, look for the “Universal Serial Bus controllers” option and then right-click on each one of the USB drivers and select the Update Driver from the menu.

Note: If it is a regular USB drive, then it will be listed as a USB Mass Storage Device but if you have a USB 3.0 device, then look for a USB 3.0 Extensible Host Controller.

• Restart your PC and then click the “Search automatically for updated driver software” option.

Note: If updating the USB Controller drivers didn’t work, you can try to reinstall them instead.

Option 4 – Restart your computer in a Clean Boot State

If the first three given options didn’t work and you still see the error when you connect external devices, you can try putting your computer in a Clean Boot State and then try connecting them again.

• 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.

What is the Error 421?

Error 421 is a common SMTP (Simple Mail Transfer Protocol) Outlook error message. MS Outlook is one of the best and popular email applications widely used by PC Windows users for sending and receiving emails within and outside workplaces. It is most commonly used in offices by professionals for faster communication. This error may occur while sending and receiving emails on the server. The error 421 messages is displayed in either of the following formats:

“An unknown error has occurred: Server error 421” "Could not send your message. Error 421" 421 4.2.1 : (DYN:T1) http://postmaster.info.aol.com/errors/421dynt1.html 421 4.3.1 Out of disk space for temp file 421 4.3.2 All server ports are busy 421 Downstream server error 421 Fork failed 421 Greylisting enabled, please try later “An unknown error has occurred. Subject ‘Testing’, Account: ‘pop.charter.net’, Server: ‘mail.charter.net’, Protocol: SMTP, Server Response: ’421 Message rejected’, Port: 25, Secure(SSL): No, Server Error: 421, Error Number: 0x800CCC67”

Solution

Error Causes

Some common causes for this critical Outlook error are:

• PST storage size exceeds 2GB file size
• Improper ISP settings
• Slow internet connection
• PST file corruption
• Trojan attack and viral infection

This is a critical Outlook error that should be resolved timely. If you delay, it may cause you a great deal of inconvenience. The error code 421 hampers your ability to access your email account, send and receive emails, add new contacts, view emails, calendar entries, and journals. In other words, it just brings your email activities to a standstill locking you out of the account.

Further Information and Manual Repair

To resolve this error code on your system, you don’t always have to hire a professional or call the network personnel to do the job. It may be a critical error but the good news is that it is quite easy to fix. Even if you don’t have technical expertise, you can still repair it. Here are some of the best methods to repair this issue on your system:

1. Change the Server Settings to its Maximum Limit

Try changing your server settings. Here set the inbound connections limit at the maximum limit.

• To do this, open the Microsoft Exchange Server Administrator utility. The access path of this utility will vary depending on the installation procedure used to set up Exchange Server.
• Once you open the MS Exchange Server Administrator utility, click the ‘Connections’ icon in the left side navigation pane. Now double click the internet mail service icon in the right side pane. As you click it, the Properties window will open.
• Now click the ‘Connections’ tab in the Properties window and then click the ‘Advanced’ button. This will open the configuration window.
• Here reset the number for ‘Maximum Number of Inbound Connections’ to a high number, its maximum limit. After changing the settings, close all open Exchange Server Administrator program windows to successfully complete the process.

After the process is complete, try accessing your Outlook email account again; if it works, then that’s great the error 421 is resolved. However, if it doesn’t, then the problem could be related to viral infection.

2. Download a PST Repair Tool

If the cause of the error is PST files corruption, then not only will you be locked out of your email account, you are also at risk of losing all the data stored in your email account. However, the best way to resolve the error and ensure full data recovery is to download a reliable PST repair tool. By running a PST repair tool on your system, you can resolve the error 421 right away. It recovers your data, repairs corrupt and damaged PST files.

3. Scan Your PC with Restoro.

If viral infection and Trojans are causing the error 421 to pop up on your system, then it is recommended to download and scan your PC with Restoro. This is an advanced, intuitive, and user-friendly PC fixer. It is not just an antivirus but also a system optimizer and a registry cleaner. Unlike common antivirus software that only removes viruses and simultaneously slows down the system’s speed, Restoro removes all types of malicious software on your PC including malware, spyware, Trojans, and viruses, and also boosts the speed of your PC significantly. It is safe, easy to operate, and a quick fixer. It is compatible with all Windows versions. Click here to download Restoro and resolve error 421 today!