Fix: System Thread exception not handled in Windows 10, 8.1, 7

SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
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Have you updated your OS Windows 7, 8.1 or 10? If so, the error message System thread exception not handled may appear along with the classic blue screen of death. Read this guide to learn more about this issue and how to fix the “Unmanaged System Thread Exception” error in Windows 8.1 or Windows 10.

System Thread exception not handled

If the “system thread exception not handled” error message appears on your screen, you will also notice that after about five to ten seconds your Windows 8.1 or Windows 10 device will reboot. This error message is caused by an outdated graphics driver. Don’t worry because you will get rid of this problem in just ten minutes of your time.

Solved: system_thread_exception_not_handled

  1. Start Startup Repair
  2. Update graphics drivers
  3. Run the BSOD troubleshooter
  4. Use a restore point
  5. Repair corrupted files and disk errors
  6. Identify the Problematic driver
  7. Update device driver
  8. Disable hardware acceleration in browser and flash

#1. Start Startup Repair for solving (System thread exception not handled)

  1. First of all, you will need to put a Windows 8.1 or Windows 10 bootable disc in the CD / DVD drive.
  2. Start again your Windows 8.1 or Windows 10 operating system device.
  3. Now after restarting the operating system, your computer will go directly to the startup disk.
    Note: It may ask you to choose whether you want to boot from the specific Windows 8.1 or Windows 10 device and you will have to.
  4. You now have the Windows setup screen before you.
  5. Mouse click the left button or tap on the «Next» button at the bottom of the screen.
  6. Now you will have to Mouse click with the left button or tap on the “Repair your computer” function located at the bottom of the screen.
  7. In the “Choose an option” window, Mouse click the left button or Mouse click on the “Troubleshoot” option.Start Startup Repair
  8. In the next window, Mouse click the left button or Mouse click on the “Advanced options” option.
  9. Now Mouse click the left button or tap on the “Command Prompt” function.
  10. When the “cmd” window appears, type the following: “C:” but without the quotes.
  11. Press the “Enter” key on the keyboard.
  12. Enter the following command in the command line window: BCDEDIT / SET {DEFAULT} ». BOOTMENUPOLICY LEGACY »without the quotes.
  13. Press the “Enter” key on the keyboard.
  14. Now, if you have written the above command correctly, you will have to write it: «Exit» without the quotes.
  15. Press the “Enter” button on your keyboard to exit the command line window.
  16. Now, in the “Choose an option” window, Mouse click the left button or Mouse click on the “Continue” button.
  17. Start again your Windows 8.1 or Windows 10 operating system device.

#2. Reinstall the graphics drivers

  1. Now when the system reboots, you will need to press the “F8” button on your keyboard continuously until you reach the “Advanced boot options” menu.
  2. In the window «Advanced boot options» you must move with the keyboard arrows and select the «Safe mode» function.
  3. Press the “Enter” key on the keyboard.
  4. Now that your OS Windows 7, 8.1 or 10 starts, you will need to log in with the administrator account.
  5. Mouse click the left button or tap on the “Desktop” icon on the start screen.
  6. Move the mouse cursor over the bottom right of the screen.
  7. In the list of options that appears, Tap with the left mouse push button on the “Settings” option.
  8. In the “Settings” menu, Mouse click the left button or tap the “Control Panel” icon.
  9. In the “Control Panel” window, Mouse click the left button or Mouse click on “Device Manager”
  10. In the “Device Manager” menu on the left, double Mouse click (left Mouse click ) on the “Display adapters” category to expand it
  11. You will now have the graphics driver that you currently use in Windows 8.1 or Windows 10 there and you will need to right-Mouse click on it.
  12. Mouse click with the left push button on the “Uninstall” option.
  13. Mouse click the left button or tap on the “OK” button in the next window that appears to confirm the uninstallation process.
  14. Now after uninstalling the driver, you need to remove the Windows 8.1 or Windows 10 boot device and reboot the operating system.
  15. After the operating system turns back on, follow the steps above to check if it installed the graphics driver automatically.
    Note: If it didn’t install automatically, you’ll need to go to the manufacturer’s website and download the latest driver for your graphics card from there (make sure the driver is companionable with your Windows 8.1 or Windows 10 operating system device). We also recommend this third party tool (100% safe and tested by us) to automatically download all outdated drivers on your PC.
  16. Install the most recent driver existing and reboot the system for a second time.
  17. Now all you have to do is waiting and see if you still get the “Unhandled system thread exception” error message during your uptime on Windows 8.1 or Windows 10.

#3. Run the BSOD troubleshooter

BSOD errors are quite common on Windows computers. For this reason, Microsoft added a useful blue screen troubleshooter on the Settings page. You can fast restore Blue Screen of Death errors with the help of this OS tool.

Run the BSOD troubleshooter

  1. Go Settings> Update & Security> Troubleshoot>
  2. pick and start the Blue Screen troubleshooter as you seen above on picture.

#4. Use a restore point

If the problem persists, try restoring the computer to an earlier operating state with System Restore.

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#5. Repair corrupted files and disk errors

If none of the above fixes worked, you can use the System File Checker, DISM (Deployment Image Servicing and Management) tool, and the Disk Checker utility to check and repair corrupted files and disk error problems in your Windows 10.

You can run all three tools through an elevated Windows PowerShell console. Press Windows + X and select Windows PowerShell (administrator) to open PowerShell as an administrator.

Run System File Checker

The System File Checker tool fixes corrupted system files in Windows 10. Execute it with the following command:

sfc / scannow

  • sfc / scannow
  • Run DISM Tool
  • DISM tool fixes stability issues in Windows 10. Run the subsequent 3 commands one by one:
  • DISM / Online / Cleanup-Image / CheckHealth
  • DISM / Online / Cleanup-Image / ScanHealth
  • DISM / Online / Cleanup-Image / RestoreHealth
  • Run Check Disk Utility
  • Check disk utility fixes disk errors. Start it with the following command:
  • chkdsk c: / r
#6. Identify the problematic driver

Whenever you encounter a “System Thread Exception Not Handled” BSOD error, you will see the faulty system driver (.sys) file listed next to it. Several drivers causing the error include:

  • sys – NVIDIA graphics driver
  • sys – Intel graphics driver
  • sys – AMD graphics driver
  • sys – mouse or keyboard driver
  • sys – ACPI driver for Windows
  • sys – Realtek audio driver
  • sys – Synaptics touchpad driver
  • sys – network card driver
  • sys – USB driver

Take a screenshot of the “System Exception Thread Not Handled” BSOD next time it occurs. Search online associated device driver and install it.

If you can’t wait until Windows 10 encounters the “System Thread Exception Not Handled” error again, download and run the free BlueScreen View applet from Nirsoft. It automatically parses BSOD dump files and transfers the driver file causing the problem.

If the “System Thread Exception Not Handled” BSOD appears without specifying a specific driver file, it is still recommended that you use the following troubleshooting tips to update, rollback, or again install drivers associated to components such as graphics and sound.

#7. Update device driver

The “System Thread Exception Not Handled” BSOD error usually occurs due to outdated hardware drivers, such as those associated with the video card.Update device driver

  1. Go to the device manufacturer’s website and download the latest driver for the device in question.
  2. Then run the executable file to update the drivers.
  3. In cases where you are having trouble finding specific device drivers on the Internet, you can use a Driver Updater to automate the procedure.
#8. Disable hardware acceleration in browser and flash

In the event that you get the BSOD with unpredictable frequency, you should try to disable hardware acceleration in browser and flash.

Disable hardware acceleration

Disable hardware acceleration in Chrome

  1. Open Google Chrome.
  2. Type chrome: // in the address bar and press Enter.
  3. Scroll down and navigate to “GPU Composting on All Pages.”
  4. Select “Disabled” from the drop-down list. It would be “Default” by default.
  5. Click Restart Now. Chrome closes and restarts.
  6. Disable hardware acceleration in Mozilla Firefox

Open Mozilla Firefox

  1. Enter roughly: advanced # preferences in the address bar.
  2. Uncheck “Use hardware acceleration when available.”
  3. Close and restart Firefox.
  4. Disable hardware acceleration in Internet Explorer

Open Internet Explorer

  1. Click Tools> Internet Options
  2. Select “Advanced” and under “Accelerated Graphics” check the box “Use software rendering instead of GPU rendering”.
  3. Press Apply and OK.
  4. Restart Internet Explorer.

Disable Adobe Flash Player hardware acceleration

  1. Go to the Adobe Flash help page.
  2. Scroll down to step 5 which animated the Flash object embedded in the tree structure.
  3. Right click on the animation and select “Settings”.
  4. The Adobe Flash Player settings dialog opens.
  5. Uncheck the “Enable hardware acceleration” box.
  6. Shut down
  7. Restart the browser.
  8. Repeat the steps with the other installed browsers.

If you like our Article and have any question about your issue comment below.

Below mentioned are the few Blue Screen critical errors

  • CRITICAL_PROCESS_DIED
  • SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
  • IRQL_NOT_LESS_OR_EQUAL
  • VIDEO_TDR_TIMEOUT_DETECTED
  • PAGE_FAULT_IN_NONPAGED_AREA
  • SYSTEM_SERVICE_EXCEPTION
  • DPC_WATCHDOG_VIOLATION

 

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