Windows 11 Error System Thread Exception Not Handled is a BSOD error you may face while using your PC. The error is most probably encountered because of an incompatible driver, bugs in the system, outdated Windows, or such. Your PC may show up with a black screen when you encounter this issue, and you may no longer be able to use it.

Your computer may often restart normally, but you can encounter an error when using your PC normally. If you are facing this issue and have made your way to this article looking for its fix, then you are at the right place. This article will discuss how you can fix Windows 11 Error System Thread Exception Not Handled.

Also Read- Fix Windows 11 Setup Failed to Validate Product Key

Fix Windows 11 Error System Thread Not Handled

Given below are the steps to fix Windows 11 Error System Thread Not Handled-

1. Update Drivers

The very first thing that you should try doing is updating the drivers. In most cases, the issue is caused by outdated drivers on your PC. You should update the drivers and then check if you are still facing the issue. To update the drivers, follow the steps given below-

  1. Open theย Settingsย app on your PC by pressing theย Windows + I key combo.windows 11 settings
  2. On the left sidebar of theย Settingsย app, click onย Windows Update.ย Now on the right side, click onย Advanced Options.
  3. Here, scroll down to theย Additional Optionsย section and click onย Optional Updates.
  4. You will find all the driver updates here. You can download and install all the driver updates from here.ย 
  5. After updating the drivers, restart your PC and the issue should be fixed.ย 

2. Run SFC and DISM Scan

Another troubleshooting step to follow is running the SFC and DISM scan. Both of these scans form the pillar for troubleshooting issues on Windows. They scan your PC for issues due to corrupted files and fix them. To run the SFC scan, follow the steps given below-

  1. Open theย Start Menuย and search forย CMD.ย Right-click onย CMDย and then click onย Run as administrator.CMD Run as administrator
  2. In theย Command Prompt,ย type and execute the commandย sfc /scannowsfc/scannow
  3. This will scan your PC for errors and fix them. Wait for the process to complete and then restart your PC.ย 

After you restart your PC, you will no longer encounter the issue. However, if you still face this issue, you should try running the DISM scan. To perform a DISM scan, follow the steps given below-

  1. Run theย Command Promptย with administrative privileges.ย 
  2. In theย Command Prompt, type and execute the following commands one by one-
    DISM /Online /Cleanup-Image /CheckHealth
    DISM /Online /Cleanup-Image /ScanHealth
    DISM /Online /Cleanup-Image /RestoreHealth

    DISM online cleanupDISM check windows 11

  3. After running the above commands, restart your PC; the issue should be fixed by now.

3. Update Windows

You may also face issues if you run an outdated Windows version. You should try updating Windows and check if you are still facing the issue. To update Windows, follow the steps given below-

  1. Press theย Windows + Iย key combo to open theย Settingsย app.ย 
  2. In theย Settingsย app, click on theย Windows Updateย on the left sidebar.ย 
  3. Now on the right side, click onย Check for updates.Windows Updates > Check For Update
  4. After doing so, download and install all the updates your PC finds and restart your PC.ย 

4. Perform A System Restoreย 

If you still face this issue, then you should try performing a system restore. Performing a system restore will revert your system to the point when it was working fine. Do note that you wil need a restore point to perform the system restore. To do so, follow the steps given below-

  1. Search forย Create a restore point in the Start Menu and open it.
  2. Here, click on theย System Restoreย button.System Restoreย button
  3. Now, select the restore point. Click onย Scan for affected programs to see which programs will be installed and which will be uninstalled.ย 
  4. Now, click onย Nextย and follow the on-screen instructions to perform the system restore.

Your PC will restart after the system is restored, and you should now no longer face the issue.

5. Reset Your PC/ Re-install Windows 11

If none of it helps you, then you should reset your PC. Ensure you have a backup of your data before you continue ahead with resetting your PC. To reset your PC, follow the steps given below-

  1. Open theย Settingsย app on your Windows 11 PC.
  2. Ensure you are on theย Systemย tab in theย Settingsย app.windows 11 system tab
  3. Here, on the right side, click on the Recoveryย option.
  4. Next, click on theย Reset PCย button.
  5. Now, follow the on-screen instructions to reset your PC.ย 

Resetting your PC will most probably fix the issue. You can either try re-installing the Windows 11 on your PC.

Final Words

These are some ways to fix the Windows 11 Error โ€œSystem Thread Exception Not Handled.โ€ If you are facing this issue, follow the steps in this article, and your issue will be fixed.

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