Fix System Thread Exception Not Handled Error Windows 10

Fix System Thread Exception Not Handled Error Windows 10

Fix System Thread Exception Not Handled Error Windows 10 (SYSTEM_THREAD_EXCEPTION_NOT_HANDLED): It is a Blue Screen of Death (BSOD) error which could occur out of now where and when this happen you won’t be able to log on to windows. System Thread Exception not handled error generally occur at boot time and the general cause of this error is incompatible drivers (in most cases it’s the graphic card drivers).

Different people get different error messages when they see Blue Screen of Death like:

SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (nvlddmkm.sys)

SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (nvlddmkm.sys)
                                                 OR
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (wificlass.sys)

Fix System Thread Exception Not Handled Error Windows 10 wificlass.sys

The first error above occurs because of a file called nvlddmkm.sys which is Nvidia display driver file. Which means blue screen of death occurs because of incompatible graphic card driver. Now the second one is also caused because of a file called wificlass.sys which is nothing but wireless driver file. So in order to get rid of the blue screen of death error, we must deal with the problematic file in both the cases. Let’s see how to fix System Thread Exception not handled error windows 10 but first, see how to open the command prompt from recovery because you are going to need this in each and every step.

To open Command Prompt:

  1. Put in the Windows installation media or Recovery Drive/System Repair Disc and select your language preferences,
    and click Next.
    Select your language at windows 10 installation
  2. Click Repair your computer at the bottom.
    Repair your computer
  3. Now choose Troubleshoot and then Advanced Options.
    Choose an option at windows 10 automatic startup repair
    Click Advanced Options automatic startup repair
  4. Select Command Prompt  from the list of options.
    automatic repair couldn't repair your pc fix open command prompt

OR

Open Command Prompt without having installation media or recovery disc (Not recommended):

  1. At the blue screen of death error, just close your PC using the power button.
  2. Press ON and abruptly OFF your PC when Windows logo appears.
  3. Repeat step 2 few times until Windows show you recovery options.
  4. After reaching recovery options, go to Troubleshoot then Advanced options and finally select Command Prompt.

Fix System Thread Exception Not Handled Error Windows 10:

 

Method 1: Uninstall the problematic Driver

  1. Open command prompt from any one method mentioned above and type the following command:
    bcdedit /set {default} bootmenupolicy legacy
    Advanced boot options
    
  2. Press Enter to enable legacy advanced boot menu.
  3. Type exit in Command Prompt to exit it and then restart your PC.
  4. Continuously press the F8 key at system restart to display the Advanced boot options screen.
  5. On Advanced boot option select Safe Mode and press enter.open safe mood windows 10 legacy advanced boot
  6. Log on to your Windows with an administrative account.
  7. If you already know the file causing the error (eg wificlass.sys) you can skip to straight to step 11, if not continue.
  8. Install WhoCrashed from here.
  9. Run WhoCrashed to find out which driver is causing you the SYSTEM_THREAD_EXCEPTION_NOT_HANDLED  error.
  10. Look at “Probably caused by” and you will get the driver name lets suppose its nvlddmkm.sys
    WhoCrashed report of nvlddmkm.sys
  11. Once you have the file name, do Google search to get more information about the file.
  12. For example nvlddmkm.sys is Nvidia display driver file which is causing this issue.
  13. Moving forward, press Windows Key + R then type devmgmt.msc and press enter to open device manager.
    devmgmt.msc device manager
  14. In device manager go to the problematic device and uninstall its drivers.
  15. In this case, its Nvidia display driver so expand Display adapters then right click on NVIDIA and select Uninstall.
    Fix System Thread Exception Not Handled Error (wificlass.sys)
  16. Click OK when asked for Device uninstall confirmation.
  17. Restart your PC and install the latest driver from the manufacturer’s website.

Method 2: Rename problematic driver

  1. If the file is not associated with any driver in device manager then open Command Prompt from the method mentioned in starting.
  2. Once you have command prompt type the following command and press enter after each one:
    C:
    cd windows\system32\drivers
    ren FILENAME.sys FILENAME.old
    rename nvlddmkm.sys file
    (Replace FILENAME with your file which is causing the problem in this case it will be: ren nvlddmkm.sys nvlddmkm.old)
  3. Type exit and restart your PC.

 

Method 3: Restore your PC to earlier time

  1. Put in the Windows installation media or Recovery Drive/System Repair Disc and select your language preferences,
    and click Next
  2. Click Repair your computer at the bottom.
  3. Now choose Troubleshoot and then Advanced Options.
  4. Finally, click on “System Restore” and follow onscreen instructions to complete the restore.
    Restor your PC to fix system threat Exception Not Handled Error
  5. Restart your PC.

 

Method 4: Disable Hardware Acceleration

This method is not recommended for fixing the SYSTEM_THREAD_EXCEPTION_NOT_HANDLED error and this method must be used if and only if you have tried all the above methods and you are still frequently facing the blue screen of death error.

  1. Open Google Chrome and go to settings.
  2. Click on “Show advanced settings” and scroll down to the System section.
    show advanced settings in google chrome
  3. Uncheck “Use hardware acceleration when available” and restart Chrome.
    uncheck use hardware acceleration when available in google chrome
  4. Open Mozilla Firefox and type the following in the address bar:
    about:preferences#advanced
  5. Uncheck “Use hardware acceleration when available” and restart Firefox.
    uncheck use hardware acceleration when available in firefox
  6. For Internet Explorer, Press Windows Key + R & type “inetcpl.cpl” then click OK.
    intelcpl.cpl to open internet properties
  7. Select Advanced tab in the Internet Properties window.
  8. Check the box “Use software rendering instead of GPU rendering.
    check mark use software rendering instead of GPU rendering internet explorer
  9. Click Apply followed by OK and restart Internet Explorer.

Recommended for you: 

http://troubleshooter.xyz/fix-automatic-repair-couldnt-repair-your-pc/

That’s it you have successfully fix System Thread Exception Not Handled Error Windows 10. If you still have any queries regarding this post feel free to ask them in comments. Share this guide on the social network to help family and friends fix this error.

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