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How To Fix System Thread Exception Not Handled In Windows 10

HOw to fix system thread exception not handled
Written by Shah

Windows 10, the best Windows Microsoft has developed so far. It facilitates every user from any profession. It is fast and more user-friendly than previous versions of windows. No doubt, Windows 10 is best in every aspect, but still, errors have been faced by some users.

Errors like system_thread_exception_not_handled is one of the most popular errors. When you open your PC, you want it boot-up without any fault. But unfortunately, some users have faced a blue screen or blue screen of death instead of a welcome screen. The blue screen or Blue screen of Death is also called  system_thread_exception_not_handled error.

Are you one of the users who has faced this error? And don’t know what to do? Don’t worry, just read through this article; you will be able to overcome this error.

Also Read: Disable Microsoft Compatibility Telemetry Windows 10

What actually is”System thread exception not handled.”

The “system_thread_exception_Not_handled” error means that a system thread in your computer has caused an unusual error that the handler did not fetch. Due to this, a blue screen appears, which is also called the screen of death.

You may see the file name, which is causing error or numbers like 0x0000007E, 0x1000007E. This leads your computer in a loop of rebooting, making it impossible for you to run your PC.

When and why does this system_thread_exception_not_handled error happen?

The “system thread exception not handled” mainly occurs when you restart or shut down your computer. However, it can also occur while you are running a program which requires a specific graphic driver.

Now to the question, WHY? This error happens when a computer is having incompatible drivers installed, especially graphic drivers. Graphic drivers can be easily infected by malware, or they may not be properly installed, which are the main other reasons for the blue screen.

Now that you have known what system_thread_exception_not_handled is. So, now let’s have a look at the 5 ways we can fix this error.

5 ways to fix system_thread_exception_not_handled error.

  • Find out which driver is malfunctioning
  • Check display drivers
  • Update or reinstall your drivers
  • Rename the faulty driver
  • Reset your PC

1. Find out which driver is malfunctioning:

There are a lot of solutions out there, but the easiest of them is to check system logs which track events. For this, follow these steps:

  • Press Windows Key+ R to pull up the “Run” dialogue box.

System Thread Exception not Handled

  • Type “eventvwr” and press Enter.

System Thread Exception Not Handled

  • Click “Windows log”; you will have a drop-down menu.
  • Click “System” to view all events.

System Thread Exception Not Handled

  • Find the “System_thread_exception_not_installed” and locate which driver is associated.

Ssystem thread Exception not handled

2.Check display drivers: 

System_thread_exception_not_handled mainly occurs because of the display driver. First, you will uninstall all the drivers and then re-install them. If you are unable to log in windows, then you will have to run your PC in Safe Mode.

You can also read How To Run Safe mode in Windows 10

You can also run your PC in safe mode if you turn on your PC and shut it down with the power button. Repeat these step 4-5 times; it will automatically push your PC into safe mode.

  • Now Click On Troubleshoot > Advanced options.

System thread exception not hjandled

  • Click Command Prompt:

System thread exception not handled

  • In command prompt screen, Enter this command:

Now type Exit and, Press Enter. Restart your computer and keep pressing F8 before the Windows screen logo. You will see the Advanced System options menu. Click Safe Mode with Networking.

3.Uninstall display drivers:

  • To uninstall display drivers, again open run dialogue. Press the Windows button + R to open the run dialogue.
  • Enter devmgmt.msc and press Enter.

System thread Exception not handled

  • Device Manager window will appear, Click Display adapters.
  • It will show your graphic card installed. Right-click on it and choose Uninstall 

Sysytem Thread Exception not handled

It will get automatically install once you restart your PC.

Update or reinstall your drivers:

  • To update your drivers, you will have to go your device list and right-click on every hardware that would have a driver and choose to update it. This includes all drivers like audio devices, network adapters, and display drivers.
  • To reinstall a driver, first, you have to delete the drivers. Then with the help of a USB or DVD having drivers, you can reinstall them. You can reinstall them online too on device’s manufacturer website, find your device there and download the recently updated drivers.

Also Read: How to Download and Install iMessage for Windows 10

4.Rename the Faulty Drivers:

If next to system_thread_exception_not_handled, there is a file name just like atikmdag.sys, nvlddmkm.sys, then we can always rename the driver, so the window will catch a new file and install the driver. To know what hard drive the driver is installed on, you have to follow these steps:

  • Open the command prompt. You can open the command prompt by writing cmd in the computer search box.
  • Type the following command and press Enter after each command.

  • After dir command, if the results show a folder name with “Windows”, then it is the culprit drive. If not, then type d and press Enter again.
         cd windows\system32\drivers

        rem drivername.sys drivername.old
  • In the above command drivername.sys is the name of culprit driver.
  • Then type exit and restart your computer. Once you restart the computer, the driver will be installed automatically.

5.Reset your PC:

After trying all the steps, if system_thread_exception_not handled error still doesn’t remove resetting your PC is the last and effective option.

  • Open settings from the Start menu.

Sysytem thread exception not handled

  • Click update and security select Recovery.

System thread Exception Not handled

  • From given three options, Click Reset this PC.

System thread Exception not Hnadled

  • Click Get started under Reset this PC.
  • Windows will give you two options. Choose which suits you the best.

Sysytem thread Exception Not handled

  • Click Reset after this window will restart and your PC will be reset, which will take a while.

System thread exception not handled

Final words:

After completing all the steps, updating\reinstalling drivers, deleting files, resetting pc you now must have resolved the error. But if you still face the same error, you must do complete fresh window to your PC. This will reset everything and everything will be changed to default settings.


Q1: How do I fix system thread exception not handled?

5 solutions which can help you fix are as follows:

  1. Find out which driver is malfunctioning.
  2. Check display drivers
  3. Update or reinstall your drivers
  4. Rename the faulty driver
  5. Reset your PC

Q2: What does system thread not handled mean?

A:  The system thread not handled means that the system in your computer has generated an exception for an error which handler did not catch.

Q3: Why is Blue Screen of Death?

A: Blue Screen of Death (BSOD) is also known as sysytem_thread_exception_not_handled. It occurs when the system has incompatible drivers. Because of this error, your PC can be stuck in rebooting loop.


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