FIX: System Thread Exception not Handled in Windows 10, 8.1, 7

Ivan Jenic
by Ivan Jenic
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Have you upgraded to Windows 8.1 or Windows 10? If you have, you might encounter the System thread exception not handled error message appearing on your display along side with the classic blue screen of death. Read this guide to learn more about this issue and how to fix the ”System thread exception not handled” error in Windows 8.1 or Windows 10.
”system thread exception not handled” Windows 8.1 or Windows 10 fix
If the ”system thread exception not handled” error message appeared on your screen, you will also notice that after approximately five or ten seconds your Windows 8.1 or Windows 10 device will reboot. This error message is caused by an outdated graphic driver. Don’t worry because you will get rid of this issue in just ten minutes of your time.

SOLVED: System thread exception not handled

1. Launch Startup Repair

  1. First, you will need to place a Windows 8.1 or Windows 10 boot disk into your CD/DVD drive.
  2. Reboot your Windows 8.1 or Windows 10 device.
  3. Now after the restart of the operating system, your computer will go directly to the bootable disk .
    Note: It might ask you to choose if you want to boot from the specific Windows 8.1 or Windows 10 media and you will need to do so.
  4. You now have in front of you the Windows Setup screen.
  5. Left click or tap on the “Next” button situated in the lower side of the screen.
  6. Now you will need to left click or tap on the “Repair your computer” feature situated in the lower side of the screen.
  7. In the “Choose an option” window you will need to left click or tap on the “Troubleshoot” feature.
  8. In the next window you will need to left click or tap on the “Advanced options” feature.
  9. Now left click or tap on the “Command Prompt” feature.
  10. When the “Command prompt” window (black box) is in front of you write in there the following: “C:” but without the quotes.
  11. Press the “Enter” button on the keyboard.
  12. Write in the command prompt window the following command: “BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY” without the quotes.
  13. Press the “Enter” button on the keyboard.
  14. Now if you have written correctly the command above you will need to write: “Exit” without the quotes.
  15. Press the “Enter” button on the keyboard in order to exit the command prompt window.
  16. Now in the “Choose an option” window you will need to Left click or tap on the “Continue” .
  17. Reboot your Windows 8.1 or Windows 10 device.

2. Reinstall your graphics drivers

  1. Now when the system restarts you will need to press on the “F8” button on the keyboard continuously until you get to the “Advanced boot options” menu.
  2. In the “Advanced boot options” window you will need to move with the arrows on the keyboard and select the “Safe Mode” feature.
  3. Press the “Enter” button on the keyboard.
  4. Now that your Windows 8.1 or Windows 10 starts you will need to log on with the administrator account.
  5. Left click or tap on the “Desktop” icon in the start screen.
  6. Move the mouse cursor over to the lower right side of the screen.
  7. From the menu that appears you need to left click on the “Settings” feature.
  8. In the “Settings” menu you will need to left click or tap on the “Control Panel” icon.
  9. Now in the “Control Panel” window you need to left click or tap on “Device Manager”
  10. In the “Device Manager” menu on the left side double click (left click) on the “Display adapters” category in order to expand it.
  11. Now you will have there the graphics driver that you currently use in Windows 8.1 or Windows 10 and you need to right click on it.
  12. Left click on the “Uninstall” option.
  13. Left click or tap on the “OK” button on the next window that appears in order to confirm the uninstall process.
  14. Now after the driver is uninstalled you need to take out the Windows 8.1 or Windows 10 boot media and also restart your operating system.
  15. After the operating system powers up again, follow the steps above to check if it installed the graphics driver automatically.
    Note: if it wasn’t installed automatically you will need to go on the manufacturer’s website and download the latest driver for your graphics card from there (be sure that the driver is compatible with your Windows 8.1 or Windows 10 device). We also recommend this third-party tool (100% safe and tested by us) to automatically download all the outdated drivers on your PC.
  16. Install the latest driver available and reboot the system again.
  17. Now all you have to do is wait and see if you still get the ”system thread exception not handled” error message during your operating time in Windows 8.1 or Windows 10.

3. Run the BSOD troubleshooter

BSOD error are pretty common on Windows computers. For this reason, Microsoft added a very useful Blue Screen troubleshooter on the Settings page. As its name suggests, you can quickly fix Blue Screen of Death errors with the help of this tool. All you need to do is go to Settings > Update & Security > Troubleshoot > select and run the Blue Screen troubleshooter.

blue screen troubleshooter

4. Use a Restore Point

If the problem persists, try restoring your computer to a previous working state by using System Restore.

If this tutorial was helpful or if you need additional help, please contact us by going to the comments section below.

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Editor’s Note: This post was originally published in November 2014 and has been since updated for freshness, and accuracy.

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