Fix: System Thread Exception Not Handled

Have you ever got stuck on the BSOD or so-called Blue Screen of Death on your PC? Finding resolution for the system thread exception not handled error wouldn’t feel hard after learning the below comprehensive guide.

This error is majorly found on Windows 8, 8.1, 10, or 10 Ultimate version when your system shows you a complete blue screen and gets stuck in an error loop even when rebooting your PC many times. 

For most techies, it’s one of the never-ending errors, but don’t forget that there is nothing humans can’t solve. You can simply fix the system thread exception error using this most reliable guide below, including three fastest techniques. 

What is the System thread exception not handled?

System thread exception not handled is one of the most complicated Windows errors majorly found on the Windows 8/8.1/10/10 Ultimate OS.

Before executing different procedures to get ultimately rid of this strict error, let’s first know about its cause. This error mostly occurs on your PC when there are faulty drivers.

If your PC contains any faulty or corrupted driver installed inside, you would also glimpse this complicated error on your PC’s front screen.

Taking it lightly isn’t a good thing, so let’s do something for it and solve it using the below listed three techniques one by one till getting succeed.

Techniques to fix system thread exception not handled on Windows

Exactly like all the other faults and errors on Windows 10, the system thread BSOD – Blue Screen of death error also contains several resolutions. Keeping that in mind, we’ve found the most reliable techniques and listed them all below. 

Prerequisite – Reboot through Safe Mode

Before going forward to fix the system thread exception not handled error, you first need to reboot your system at the Safe Mode. If you’ve gone through all the internal systems of your PC, you must know about the Safe Mode.

Basically, the windows can get started in two different modes, including the Basic or Default mode and the Safe Mode. You can only use the Safe mode whenever required, which is why it’s hidden at the backend.

For this method, we’d require a reboot to Safe mode, which goes as below procedure.

  • Get to the error menu and click the Troubleshoot tab.
  • Now, hit the Advanced Options tab and open Command Prompt from there.
  • Type the BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY command on the black command prompt screen and press Enter.
  • Afterward, inscribe Exit on the command prompt, and click Enter again.
  • Finally, reboot your PC, and keep pressing the F8 button repeatedly until you won’t see the booting menu on the screen.
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  • Now, you’ll observe an Advanced Boot Options menu. Navigate the toggle to Safe Mode with Networking bar and press the Enter button. 

That’s it! You’ve successfully rebooted your PC in safe mode and can now process any below procedure merely without facing the system thread error.

Technique 1 – Searching for the responsible driver

First of all, we need to check the main problematic PC driver generating the error at each reboot. You can follow the below simple method to find out the flawed driver.

  • Firstly, open the Run window using the Windows key + R combination.
  • Now, type the eventvwr command on the Run window and press Enter.
  • Finally, you would see an Event Viewer tab on the screen. Select the Windows Logs tab from the left menu section. 
  • Now below the Windows Logs dropdown, choose the System tab.
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  • Scroll and search the system thread exception not handled log, and click it to identify the faulty driver.

Generally, you would find a display or audio driver to create the problem. Now, you’ll get informed about the faulty driver, and all you need now is to update that particular driver, and the problem will get solved eventually.

Technique 2 – Update the faulty driver

After knowing the name of the faulty driver, it’s time to update it and get the problem settled finally. It’s an easy procedure to update Windows drivers, and you can perform it step-by-step using the below directions. 

  • Open the Run window using Windows + R key.
  • Now, type the devmgmt.msc command on Run tab to open Device Manager.
  • After opening Device Manager, please navigate to the faulty driver. Mostly it would be the Display adapters. So you can search below Display adapters.
  • Right-Click the same faulty driver and click the Update Driver software tab.
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  • Choose the Search automatically for updated driver software option from the listed updating tools on the next dialog box.

Hold up and wait for a few moments till the update completion and soon, you will become capable of using Windows in a default way.

Technique 3 – Rename the faulty driver

The last procedure to fix the system thread exception not handled error is renaming the faulty driver and making it work like its older version.

  • You can search all your PC drivers at C:\ Windows\ System32\ drivers location. So put this location on This PC or My Computer.
  • Find the defective driver from the entire driver list.
  • Finally, right-click on it and hit the Rename tab, or simply press F2 there.
  • Now, rename the particular driver with an extension .old. Suppose the driver is named xyz; in that case, you need to rename it xyz.old

Now, restart your computer again in the default mode, and you won’t see the BSOD or Blue Screen of Death showing system thread error anymore.

F.A.Q (Frequently Asked Questions)

What is BSOD?

BSOD is stated as the Blue Screen of death, and it’s majorly found on Windows 8/8.1/10/10 Ultimate OS notoriously because of faulty drivers.

Why my PC shows system thread exception not handled error?

If your PC is showing an entirely blue screen with the system thread error, the most probable reason would be the presence of faulty or corrupted drivers.

How to solve the Blue screen Windows 10 error?

It’s damn handy to solve the Blue Screen error on Windows, and you can quickly resolve that employing our above guide.

Will I lose any data while performing the above procedures?

No, you wouldn’t lose any of your data while processing the above methods to fix the system thread error until you aren’t resetting your PC.


Conclusively, we can state that all the above-listed procedures determined to solve system thread exception not handled error are eternally legit and uncovered only to take you out of this faulty error.

This error can get forged on your PC by faulty drivers, and the latter process is handy, which you can drop on us. Just follow the above guide and enjoy!

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