How to Fix Windows Error 0x8024402f

Windows 10 and Windows 11 have automatic dynamic screen brightness depending on the surrounding light inside the room. Please take note that this option is available only on devices with build-in screens like laptops, tablets, and all in one desktop PC. If you are connected with your PC via an external monitor you will not have these settings available and probably feature is not even working.

Some computers will also allow automatic brightness changes also on what is displayed on the screen. This option is meant to save battery life on devices. Microsoft calls this automatic brightness feature Content adaptive brightness control. In order to change this setting, we will go to settings inside Windows.

Disabling automatic brightness inside Windows

Open Settings inside Windows, in Windows 11 press WINDOWS + I to open settings, then click on the system in the sidebar and then go to Display. Click on the small arrow beside the Brightness slider in order to expand a small menu and then uncheck Help improve battery by optimizing the content show and brightness. If you see Change brightness automatically when lighting changes, uncheck that as well. Close the settings and you are good to go, now brightness will always be as set in settings.

Inside Windows 10, go to Settings and then go to System and then in Display under the Brightness and Color section look below and locate the box that says Automatically adjust contrast based on the displayed content to help improve battery and uncheck it, if the box below with text Change brightness automatically when lighting changes exists, uncheck it as well. Close settings and you are done.

When it comes to downloading and installing games in the Windows operating system, Steam is one of the well-known sources. You can find many big titles in Streams such as PUBG, Heaven Vaults, and a whole lot more. It is undeniably a great source of getting games in the Windows operating systems. However, just like other software, Steam is not immune to errors as you could encounter errors while using it. This isn’t caused by a bad code but also due to reliance on various factors in both respects to the software and hardware. One of these errors is the Application Load Error 5:0000065434. This kind of error can appear when you launch numerous game titles on your Windows 10 computer like Skyrim, Oblivion, Bully, Morrowind, Vortex, and many more. To fix this application error in Steam, you can try to copy the Steam executable file or use the Command Prompt. You could also try to verify the integrity of the game files feature or delete any conflicting files on your computer.

Option 1 – Try copying the Steam executable file

The first thing you can do to fix the error is to copy the executable file of Steam.

• First, right-click on the desktop shortcut of steam located on your Desktop and click on the “Open file location” option.
• After that, copy the executable file for Steam and navigate to the folder of the library of the games which is usually located in SteamSteamAppsCommon
• Now paste the Steam executable file you just copied inside the folder of the game and see if it fixes the error or not.

Option 2 – Try to use the Command Prompt

• In the Start Search, type “command prompt” and right-click on Command Prompt from the search results and then select the “Run as administrator” option.
• After opening Command Prompt as administrator, execute the following command:

cd "C:Program Files (x86)Steamsteamappscommon" mklink "steam.exe" "C:Program Files (x86)Steamsteam.exe"

• The command you entered will create a link between the executable file of Steam to the operating system. Once you see a message that states, “Operation completed successfully”, restart your computer.

Option 3 – Try to use the “Verify integrity of the game files” feature

The next thing you can do to get rid of the error is to use the “Verify integrity of the game files” feature. How? Refer to these steps:

• Open Steam and right-click on the entry of the game where you encountered the error in the Library and then select Properties.
• After that, navigate to the LOCAL FILES tab and click the “VERIFY INTEGRITY OF GAME FILES” button.
• Wait for the process to be completed and see if the feature has helped in fixing the error or not.

Option 4 – Try to delete any conflicting files

The error might be caused by some conflicting files on your computer which is why you have to delete them. To do that, follow these steps:

• Open the Documents folder and look for the folder created by the game that’s throwing the error. For instance, it could be stored in the “My Games” folder.
• Next, delete the folder and then try to launch the game again and see if the error is now fixed.

DuckDuckGo has risen in the public eye as a private search engine offering searches without tracking. A less known fact about DuckDuckGo is that they have their own browser, well they have it for the Android platform and it was stated that it is coming for desktops soon.

People were excited for this new browser for a few reasons, one of them being privacy and another that it is built from scratch, not using existing chromium runtime that assured users that privacy is the main focus. Still, lately, things got a little out of control. Duckduckgo is under fire from users since a security researcher has discovered that there is an exception for Microsoft trackers inside Browser.

The main feature of their browser is that it blocks tracking scripts and most online advertising with the goal of preventing servers from collecting data about your online behavior. Of course, tracking protection is never 100% effective since it requires a lot of manual labor from people to add sites and links to blocklists but it was discovered that DuckDuckGo has a defined exception in the browser for Microsoft owned ad networks and tracking scripts giving them free pass even when they are related to privacy compromisation.

Zach Edwards first pointed out the exception in a series of tweets, after noticing DuckDuckGo on iPhone and Android wasn’t blocking LinkedIn and Bing advertisements on Facebook’s Workplace site.

You can capture data within the DuckDuckGo so-called private browser on a website like Facebook's https://t.co/u8W44qvsqF and you'll see that DDG does NOT stop data flows to Microsoft's Linkedin domains or their Bing advertising domains.

iOS + Android proof:
👀🫥😮‍💨🤡⛈️⚖️💸💸💸 pic.twitter.com/u3Q30KIs7e

— ℨ𝔞𝔠𝔥 𝔈𝔡𝔴𝔞𝔯𝔡𝔰 (@thezedwards) May 23, 2022

DuckDuckGo’s CEO and founder, Gabriel Weinberg, replied with his own series of tweets.

Most of our other protections also apply to MSFT-owned properties as well. This is just about non-DuckDuckGo and non-Microsoft sites, where our search syndication agreement prevents us from stopping Microsoft-owned scripts from loading, though we can still apply protections post-load (like 3rd party cookie blocking). We are also working to change that.

DuckDuckGo says it uses over 400 sources for search engine results, including the company’s own web crawler, but typical link results are sourced most commonly from Bing. According to Weinberg, DuckDuckGo’s ability to use Bing search results depends on a carved-out exception for Microsoft’s ads in the mobile browser. A representative from DuckDuckGo told that third-party cookies from Microsoft services are still blocked.

Of course, the main aim and campaign of DUckDuckGo's rise was private search and private browsing so this kind of news did not go well among long supporters. The latest statement from them is as follows:

We have always been extremely careful to never promise anonymity when browsing, because that frankly isn’t possible given how quickly trackers change how they work to evade protections and the tools we currently offer. When most other browsers on the market talk about tracking protection, they are usually referring to 3rd-party cookie protection and fingerprinting protection, and our browsers for iOS, Android, and our new Mac beta, impose these restrictions on third-party tracking scripts, including those from Microsoft.

What we’re talking about here is an above-and-beyond protection that most browsers don’t even attempt to do — that is, blocking third-party tracking scripts before they load on 3rd party websites. Because we’re doing this where we can, users are still getting significantly more privacy protection with DuckDuckGo than they would using Safari, Firefox and other browsers. This blog post we published gets into the real benefits users enjoy from this approach, like faster load times (46% average decrease) and less data transferred (34% average decrease). Our goal has always been to provide the most privacy we can in one download, by default without any complicated settings.

Error Code 0xC1900101, 0x20017 – What is it?

Error code 0xC1900101, 0x20017 in Windows 10 occurs when Windows users attempt to upgrade to Windows 10 but fail to complete the installation process. This Windows error code may occur due to issues with a third-party antivirus program or problems related to a driver or hardware. When this occurs users will receive an error message and their machine will automatically revert to the original operating system on the device. Common symptoms of the error code include the following:

• Error code 0xC1900101-0x20017 message box
• Inability to complete Windows 10 upgrade

Solution

Error Causes

Like many other error codes affecting Windows 10 users, 0xC1900101-0x20017 may result due to several different reasons. Oftentimes, error code 0xC1900101 -0x20017 affects users who attempt to upgrade their operating system but have incompatible drivers or hardware as well as antivirus or other security systems which prevent the upgrade from occurring. If this error message is not resolved, it could give birth to other error messages such as error code 0x80070652. 

Further Information and Manual Repair

To fix this particular error code affecting Windows 10 devices, you will need to employ at least one manual repair method mentioned within this article. Manual repair methods offer effective solutions as they seek to address the root causes related to Windows error codes. When the manual repair methods are implemented correctly, users are usually able to quickly overcome issues that cause Windows error codes and can thereafter access all the benefits Windows has to offer to its users.

Note, however, that in a few cases where technical skills are required, the need for a Windows repair technician may present itself. In such a case, resort to Windows forums and other resources to access help from a certified Windows professional. Also, consider using an automated tool where necessary.

Method One: Temporarily Disable or Uninstall Third-party Security Software

Some third-party security programs or antivirus software may interfere with the installation process when Windows users attempt to upgrade to Windows 10. To verify if this is the issue causing error code 0xC1900101-0x20017 on your device, temporarily uninstall or disable these applications. You may easily do so by checking the settings of these programs or visiting Settings within the Windows Start Menu.

Once you have disabled these programs on your device, reboot your machine and attempt to update to Windows 10. If the issue was caused by a third-party app, error code 0xC1900101-0x20017 will no longer occur and your machine will successfully upgrade to the version of Windows 10 you attempt to download.

However, in the case where error code 0xC1900101-0x20017 in Windows 10 reoccurs during the installation process, you will need to resort to another manual repair method listed below.

Method Two: Disable Firewall Software

Like method one, this manual repair method can be effective in combating issues related to 0xC1900101-0x20017. This is of course, dependent on whether or not the error code is due to an incompatible security program.

Temporarily disable your firewall by adjusting its settings. Once this step is complete, reboot your machine and attempt to install the latest version of Windows 10. If you are able to complete the process, this means the problem was due to an issue with your firewall. You can then enable the firewall you previously disabled or download another program as its replacement.

If the error code reoccurs, however, consider implementing the next manual repair method on this list.

Method Three: Use Command Prompt to Check for Damaged System Files

Command Prompt can be very effective in helping regular as well as technically skilled users repair issues with their PC. In the case of error code 0xC1900101-0x20017 in Windows 10, access Command Prompt using the following instructions.

• Step one: Right-click Start Menu
• Step two: Select Command Prompt (Admin)
• Step three: Type sfc /scannow

Be sure to enter the command as it is written above, with a space between “sfc” and “/scannow”. Wait until the scan is complete. If there are any errors related to system files, i.e. if any system files are damaged, corrupted, or missing, your machine will begin to fix it. Once the process is complete, reboot your PC then reattempt the Windows 10 upgrade process via Windows Update. If you are successful, it means that you have rectified error code 0xC1900101-0x20017. Otherwise, you may need to contact a Windows repair technician.

Method Four: Download an Automated Tool

If you wish to always have at your disposal a utility tool to fix these Windows 10 and other related issues when they do arise, download and install a powerful automated tool.

Although it’s easy to set up wired printers in most cases and they have their charm, you don’t have to be around the printer if you are connected to the same network. So in this post, you will be guided on how you can install and set up a wireless printer on your Windows 10 computer. The idea here is to ensure that your Wi-Fi printer and your Windows 10 computer are connected on the same network and to do that, you need to carry out the following steps:

• You have to connect the printer to the Wi-Fi network.
• You have to add the printer or scanner to Windows 10.
• You have to install the printer software.
• You have to change the default printer.
• And troubleshoot the printer.

For more details, follow the instructions below.

Step 1: Connect your printer to the Wi-Fi network. In this step, you need to turn on your printer and look for the option to connect to a Wi-Fi network. Note that the step to connect to the Wi-Fi network depends on what kind of printer you use as well as its OEM since there will be a user interface or a Wi-Fi button that will get the job done for you. Once your printer is connected to the Wi-Fi network, you need to keep it turned on until the setup is completed. Step 2: Next, add a printer or scanner to Windows 10

• Since you’re already connected to the Wi-Fi network, you now have to go to Settings > Devices > Printers & scanners.
• From there, click on the Add a printer or scanner option.
• After that, the scanning process will begin as Windows 10 looks for the printer and once it finds it, it will display the printer in the result.
• Choose the Wi-Fi printer from the results and click on the Add device option. Once you click this option, Windows will install the drivers via Windows 10 update. Note that this process will apply to all the printers – connected, wireless, and so on.

Step 3: You have to install a printer software In this step, you need to use the driver software from the OEM even though the default printer software works since in most cases, the driver software from OEM works better compared to the default ones and offers much better functionality like ink-saving modes, and many more. Step 4: You now have to change the default printer After installing the printer software, you now have to set or change the default printer in your computer. If you have not installed any printer, the default printer in Windows is the one that saves the files. Now since you have already installed your printer, all that’s left for you to do is to change the default printer of Windows 10 to the one you installed earlier. To do that, follow these sub-steps:

• Go to Settings and navigate to Devices > Printers & scanners.
• From there, check the checkbox labeled, “Let Windows manage my default printer” if there are many printers. This will recommend you to use the most used printer. But if you don’t want to switch to the most used printer, then uncheck the checkbox.
• Once done, click on the printer you want to set as the default one and go to Manage, and then click on the Set as default button.

Step 5: If you have any issues with your newly installed printer, then you need to troubleshoot it One of the first basic troubleshooting you can perform to resolve the printer issue is running the Printer Troubleshooter. This built-in troubleshooter can detect and automatically fix the problem for you. To use it, follow these steps:

• Tap the Win + R keys to open the Run dialog box.
• Next, type “exe /id PrinterDiagnostic” in the field and click OK or hit Enter to open the Printer Troubleshooter.
• Then click the Next button and follow the next on-screen instructions to fix the issue with the printer.

There are times when an IT admin has to set up multiple IP addresses to the same network adapter. Setting up multiple IP addresses in scenarios like hosting various SSL sites, speed up traffic exchanges can help in avoiding being blacklisted in the SPAM filters, and so on. So in this post, you will be guided on how exactly you can assign multiple IP addresses to the network adapter in your Windows 10 computer. There are several ways to assign multiple IP addresses in a network adapter. You can do it using the Network Adapter settings or using the Netsh utility, as well as the Windows PowerShell utility. To get started, refer to each one of the options provided below.

Option 1 – Assign multiple IP addresses via Network Adapter settings

• Go to Settings first and from there, select Network & Internet, and then click on the Change adapter options. This will show you a list of both the physical and virtual network adapters in your computer.
• Next, double click on the Ethernet adapter where you want to assign the multiple IP addresses and then click on the Properties button.
• After that, you should see the Ethernet properties where you have to select the “TCP/IPv4” or “TCP/IPv6”.
• Once done, click on the Properties button and then select the “Use the following IP address” option under the General tab.
• Now you have to add an IP address, subnet, and default gateway to the network adapter and then click on the Advanced button.
• This will open the Advanced TCP/IP settings where you have to click on the Add button so you can add an IP address. From here, you can keep adding multiple IP addresses to the network adapter. You also have the option to add multiple gateways or DNS IP addresses.
• Once done, if you execute the “ipconfig” command, you should see all the secondary IP addresses listed.

Option 2 – Assign multiple IP addresses using the Netsh command

Another way to assign multiple IP addresses to your network adapter is via the Netsh command.

• In the Start Search, type “command prompt” and from the search results that appear, right-click on Command Prompt and then select the “Run as administrator” to open it with admin privileges.
• If a User Account Control or UAC prompt pops up, just click on Yes.
• After that, run this command: Netsh int ipv4 add address name="Local Area Connection" 192.168.100.100 255.255.255.0 SkipAsSource=True

Note: You have the option to set “SkepAsSource” since it depends on your needs using the Netsh command. When it is configured as true, the IP address won’t be used by the OS for outbound connections.

Option 3 – Assign multiple IP addresses via Windows PowerShell

• Tap the Win + X key combination and click on the “Windows PowerShell (Admin)” option.
• After opening Windows PowerShell as admin, use the NetIPAddress command so you can add more IP addresses. Execute this command: Get-NetIPAddress | ft IPAddress, InterfaceAlias, SkipAsSource
• Next, assign an IP address to a network adapter by executing this command: New-NetIPAddress –IPAddress 192.168.100.100 –PrefixLength 24 –InterfaceAlias “vEthernet” –SkipAsSource $True
• Now to modify the “SkipAsSource” parameter, use this command: Get-NetIPAddress 192.168.100.100 | Set-NetIPAddress -SkipAsSource $False

Not a Valid Win32 Application Error - What is it?

Not a Valid Win32 Application error code that indicates either the file or the program you are attempting to run missing or corrupt. And because of this error, Windows is unable to open your desired file or run the program successfully.

Error Causes

The ‘Not a Valid Win32 Application’ is triggered due to multiple reasons such as:

• Unsuccessful program installation due to damaged disc/CD
• Corrupted or incompatible file
• The hard drive is loaded with bad and invalid entries
• Malware invasion or viral infection

When you come across this error code on your PC, it is advisable to resolve it as it will cause you a great deal of inconvenience hampering program and file accessibility. Furthermore, if the error code occurs due to malware or viruses, then it can lead to severe data security threats and privacy issues.

Further Information and Manual Repair

To resolve the Not a Valid Win32 Application error on your PC, you don’t need to be a technical expert or hire a professional. Though this error might be crucial it is easy to fix. Here are some of the many methods that you can try to resolve this error code on your PC:

• Check for File Compatibility

If you downloaded a file that is not compatible with your Windows version then you will come across this error. In this case, it is advisable to download the file version that is compatible and can run easily on the Windows version installed on your system. Nonetheless, if the file is compatible but still doesn’t run on your PC, then it’s possible that the file became corrupt during the download. Try downloading the file again.

• Check if the CD is Clean

You may also come across the Not a valid Win32 application error code if the program installation from the CD is unsuccessful. This happens when the CD is dirty or it is scratched. The program does not copy properly onto the computer from the damaged CD. So, if the CD is scratched and dirty, buy a new CD and try installing the program again.

• Verify the Program You Want to Run is Still on the Computer

If you are running the program from a shortcut, then verify that the program is still installed on your PC. This error may occur if the program is no longer installed on the computer. If you find the program is not installed on your system, then reinstall and try running the program again.

• Wrong File Name Issue

Make sure the program or the file you are attempting to run on your system does not contain the same name as the long filename directory it is saved in. For example, running a file named ‘program’ in the ‘program files’ directory can cause errors in some Windows versions. If this is the issue, then try installing the program in a different directory.

• Repair Hard Drive

If the hard drive is bad or corrupted, it can also generate the not a valid Win32 application. And because of this error files and programs fail to execute successfully as not all data can be read from the hard drive. To repair this issue first you need to run defrag and ScanDisk Microsoft built-in tools. These tools check for errors on the hard drive.

• Run an Antivirus

If the error code occurs due to a viral infection or malware attack on your system, then you must download an antivirus, scan, and remove such malicious software. However, antivirus may slow down the speed of your PC. So, to resolve speed issues and boost the performance of your system, you may have to download a system optimizer.

Windows Update Error 0x80071a91, what it is? As you know, Windows Updates are very essential to the operating system since they push with them the important security updates that are crucial to the system. And if a Windows Update is delayed, it can the system vulnerable to potential threats. Thus, this kind of issue must be resolved right away. One of the errors that you can encounter while updating your computer is the Windows Update Error 0x80071a91. The error code 0x80071a91 occurs when the “Transaction support within the specified file system resource manager is not started or was shut down due to an error”. This happens when a service called “File System Resource Manager” or FSRM does not function due to some reason. To fix the Windows Update Error 0x80071a91, here are some suggestions that could help.

Option 1 – Run the Windows Update Troubleshooter

Running the built-in Windows Update troubleshooter could also help you resolve the Windows Update Error 0x80071a91. To run it, go to Settings and then select Troubleshoot from the options. From there, click on Windows Update and then click the “Run the troubleshooter” button. After that, follow the next on-screen instructions and you should be good to go.

Option 2 – Disable the antivirus program temporarily

There are times when the antivirus program installed in your computer blocks file access and even disk access. Thus, disabling the antivirus program or any security software installed in your computer is always a good idea you can try when the Windows Update process does not go smoothly. So before you try updating your computer again, make sure to disable the antivirus or security program and once the Windows Update is done, don’t forget to enable the antivirus program back again.

Option 3 – Try resetting the File System Resource Manager

As pointed out earlier, the error 0x80071a91 pops up when the FSRM service suddenly stops working and so resetting this service via Command Prompt might resolve the problem. To do so, follow the steps below.

• In the Windows Search box, type “command prompt” and hit Enter.
• Then right-click on Command Prompt from the related search results and click the “Run as administrator” option.
• After opening Command Prompt as admin, type the following command and hit Enter:

resource setautoreset true C:

• After that, exit Command Prompt and restart your computer and then check if the problem’s fixed by running Windows Update again.

Option 4 – Flush the contents of the SoftwareDistribution folder

You have to stop a couple of services such as BITS, Cryptographic, MSI Installer, and Windows Update Services. And to do that, you need to flush the contents in the SoftwareDistribution folder. The Software Distribution folder in the Windows operating system is a folder that can be found in the Windows directory and is used to store files temporarily which might be required to install the Windows Update on your PC. Thus, it is required by the Windows Update and maintained by WUAgent. Aside from that, it also contains all the Windows Update History files and once you delete them, you will most likely lose the Update history. As a result, the next time you run the Windows Update, it may result in a longer detection time.

• Open the WinX Menu.
• From there, open Command Prompt as admin.
• Then type in the following command – don’t forget to hit Enter right after typing each one of them.

net stop wuauserv net start cryptSvc net start bits net start msiserver

• After entering these commands, it will stop the Windows Update Service, Background Intelligent Transfer Service (BITS), Cryptographic, and the MSI Installer
• Next, go to the C:/Windows/SoftwareDistribution folder and get rid of all the folders and files thereby tapping the Ctrl + A keys to select them all and then click on Delete. Note that if the files are in use, you won’t be able to delete them.
• Once all the contents in the Software Distribution folder are deleted, restart your PC and then go back to Command Prompt and input the following commands again.

net start wuauserv net start bits

Option 5 – Delete the Common Log File System transaction logs

You might also want to delete the Common Log File System or CLFS transaction logs to fix the Windows Update Error 0x80071a91.

• Open an elevated Command Prompt.
• Then type each of the commands listed below and press Enter after you type each one of them.
  • cd /d %SystemRoot%System32SMIStoreMachine
  • attrib -s -h *
  • del *.blf
  • del *.regtrans-ms
• After you’ve executed the commands given above, restart your computer and try to update Windows 10 again.

In previous versions of Windows changing the system, the font was a pretty straightforward process, but it seems Microsoft did not want this feature to keep for whatever reason and there is no option as of the time of the writing of this article to do it in standard options in Windows 10. But do not worry, you are still able to customize your Windows and choose which font would you like to see inside it in all of its dialogs. You can choose whichever font you desire, the only prerequisite is it to be installed on your system. This guide will require you to change values in the registry of Windows itself so please follow step-by-step instructions and always make a backup of the registry before changing it in order to prevent some permanent Windows issues. All of that being said, let's start.

Setting new font

First thing is to open notepad, in the notepad paste the next block of code:

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"

Where in "Segoe UI"="NEW_FONT" instead of NEW_FONT you need to write the exact name of the font that you wish to use as a system font. Once you have replaced the default system font with your desired one, go to File and save as, from file type drop-down menu, choose all files and save this file as .REG type giving it whatever name you wish. When the file is saved, close notepad, right-click on the saved file and choose the merge option. Confirm with YES and click on OK. Reboot your system and your Windows will now use the font of your choice as its default system font.

Restoring default font

If you wish to return the old default system font as it was, follow the same steps but in your notepad paste this code:

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"=-

Reboot your system and your Windows will now revert the font of your choice as its default system font.

Upgrading your Windows computer may not always go as expected as you could end up getting some error messages along the way. One of the error messages you can encounter is the “STOP 0XC000021A or STATUS_SYSTEM_PROCESS_TERMINATED” error. This error indicates that is some security issue within the Windows operating system. It could be that the system files have an issue and they have been modified incorrectly. Although this does not necessarily mean that malware is behind the modification, one of the applications you installed recently might have something to do with the problem. The application might have modified or corrupted some of the core system files. When you encounter this error, you will see a blue screen along with the following error message:

“Your PC ran into a problem and needs to restart. We’re just collecting some error info, and then we’ll restart for you. (0% complete) If you’d like to know more, you can search online later for this error: 0xc000021a”

This error pops up when a user-mode subsystem like the WinLogon or the Client Server Run-Time Subsystem or CSRSS has been compromised fatally and security can no longer be guaranteed in the system. Thus, the operating system switches to kernel mode, and Windows won’t be able to run without the WinLogon or the Client Server Run-Time Subsystem. This is why it’s one of the few cases where the failure of a user-mode service can shut down the system. To resolve the issue, here are some fixes that might help.

Option 1 – Uninstall programs you installed lately

• In the search box, type in “control” and then click on Control Panel (desktop app) among the search results.
• After that, select Programs and Features from the list which will give you a list of all the programs installed on your computer.
• From there, look for the concerned program and select it and then uninstall it.

Note: If you have downloaded the app from the Windows Store, you can simply right-click on it from the application list and then uninstall it.

Option 2 – Perform System Restore

Performing System Restore can also help you fix the “STOP 0XC000021A or STATUS_SYSTEM_PROCESS_TERMINATED” error. You can do this option either by booting into Safe Mode or in System Restore. If you are already in the Advanced Startup Options, just directly select System Restore and proceed with the next steps. And if you have just booted your PC into Safe Mode, refer to the steps below.

• Tap the Win + R keys to open the Run dialog box.
• After that, type in “sysdm.cpl” in the field and tap Enter.
• Next, go to the System Protection tab then click the System Restore button. This will open a new window where you have to select your preferred System Restore point.
• After that, follow the on-screen instructions to finish the process and then restart your computer and check if the problem is fixed or not.

Option 3 – Run the 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 that might be the cause why you’re getting the “STOP 0XC000021A or STATUS_SYSTEM_PROCESS_TERMINATED” error. 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.

Option 4 – Rebuild the BCD and fix MBR

Rebuilding the BCD can help you in fixing the “STOP 0XC000021A or STATUS_SYSTEM_PROCESS_TERMINATED” error.

• You can start by booting into the installation environment for Windows 10 from an installation media.
• After that, click on Repair your computer and on the blue screen, select Troubleshoot and then select the Advanced options menu.
• Next, select Command Prompt and type in the commands below one by one, and tap Enter right after you do so.
• exe /FixMbr
• exe /FixBoot
  • exe /RebuildBcd

The commands you entered should rebuild the BCD and repair MBR.

Option 5 – Run the CHKDSK utility

You can also run the Chkdsk utility to resolve the problem. If your hard drive has issues with integrity, the update will really fail as the system will think that it’s not healthy and that’s where the Chkdsk utility comes in. The Chkdsk utility repairs hard drive errors that might be causing the problem.

• Open Command Prompt with admin privileges.
• After opening Command Prompt, execute the commands listed below, and don’t forget to hit Enter right after you type in each one of them.
• chkntfs /t
• chkntfs /t:10