System Thread Exception Not Handled – How to Fix?


Are you finding SYSTEM THREAD EXCEPTION NOT HANDLED is an error with a Blue Screen of Death (BSOD) on the screen of your pc or laptop? If yes then you are at right place. Many users of Windows 10, 8.1 and 8 reported this complaint. Even some user reported that they get this error immediately after starting windows where some said they get after 15-20 seconds. Once the error appears, then the overall systems reboot and getting stuck in a loop. It makes impossible for them to use their pc or laptop.

System thread exception not handled windows 10 error mainly occurs due to a driver malfunction. A corrupted, outdated, or incompatible driver can get your system into BSOD. Obsolete drivers, a recently overclocked tweak and overclocking software also known to cause this BSOD.

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System Thread Exception Not Handled

Fix System Thread Exception Not Handled

So first step of troubleshooting is uninstalled the recently installed program in case it causes the error after you install it as they are not compatible with your current operating system. The second step is to keep all your drivers updated, and if you face any problem with it, then uninstall them and reinstall it with the latest drivers. If after that the problem persists follow the methods given below. But note that all the listed method should be performed in the safe mode.

Method 1: Check Display Drivers

Display drivers are one of the apparent reasons for windows system thread exception not handled error to occur. So that what we will do is first we uninstall all of them and after we re-install it with the latest version. Note that if the BSOD appears after few seconds then skip to the part no. 2 but if you cannot be able to even log in to Windows then follow all steps given below.

Part 1: Boot into Safe Mode

Step 1: All drivers and services are disabled in the safe mode that is not necessary to run Windows. To boot Windows in safe mode, start your system on and shit-it down forcibly by pressing the power button and turn it on in repair mode and follow the steps given below:

Note: You may need to repeat the same procedure for four to five times. We aim to trigger someway and push the system to go into repair or advanced mode.

Step 2:

  • In the search bar type troubleshooter and then navigate it to the following path:
    Troubleshoot > Advanced options > Command Prompt.
  • Or you can directly open a command prompt.

Step 3: On the opening of the command prompt, a black screen will appear where you have to copy and paste the following command and at last press enter: BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY

Step 4: After typing this command, type exit and press enter.

Step 5: Next click on Continue.

Step 6: Now restart your pc and keep tapping F8 (or Shift + F8- depending on the system) before the Windows logo appears.

Step 7: On the windows screen, the Advanced Boot Options menu will appear. In it highlight Safe Mode with Networking and press Enter and log-in.

Now you are running your OS in safe mode.

Note: due to some reason, you can’t get recovery option then uninstall the media of your Windows operating system, which can be either a DVD or make a bootable USB through Media Creation tool. You will need an 8 GB USB and a computer with active internet connection.

Step 8: Next, scroll down and click on the option of Download Tool Now.

Step 9: Run the tool and follow the onscreen instructions.

Step 10: Enter the USB OR DVD on an affected computer. Switched it \on and keep continuously tapping F2 to access Boot menu. (Note that the button to enter boot menu may differ from system to system, for HP it is F9 and for dell it is F12.)

Step 11: After accessing the boot menu, highlight and select the device you inserted that is DVD or USB.

Step 12: Your system will ask you to press any key to boot from the media drivers. Do it.

Step 13: Now click on the next tab if the language and time zone shown is correct.

Step 14: Next, click on the option of Repair your computer from the lower-left corner.

Step 15: Now open the command prompt with the steps given above and get into the safe mode.

Part 2: Uninstall Display Drivers

Step 1: Now, hold the Windows key and R together form the will open run dialogue box.

Step 2: In the Run search bar, type devmgmt.msc and press Enter to open it.

Step 3: In a new screen device manager, a window will appear. Find and double click on Display adapters to expand it.

Step 4: In the expanded list you will find your installed graphics card installed. (Note: write down the full name of your display driver, before uninstalling it.) Right-click on it, and select Uninstall option.

Step 5: Next, click on the Delete the driver software for this device and then click on OK.

Step 6: Restart your pc normally. Now, video drivers will get installed automatically after restarting.

If the driver automatically not install or you face the same issue again, then you have to install the driver manually.

Part 3: Install/Update Drivers

To get the latest version of your drivers for your graphics card, visit the website of your graphics card manufacturer. Search by the card’s model and download the correct drivers that are compatible with your operating system and system type. To know them both to follow the steps given below:

Step 1: Press Windows key and press R together to open run command.

Step 2: In the run search bar type msinfo32 and press Enter.

Step 3: It will open the system information window. Here note down OS type and System type from the right side.

Step 4: The downloaded files will probably be feasible. Select it, run it and follow the onscreen instructions.

Step 5: If you don’t have any external graphics card installed, then look for integrated display adapter embedded on your motherboard.

Step 6: Visit the website of your motherboard’s manufacturers to get updated drivers for your graphics adapter.

Step 7: With it, you need a system model too. For that follow the above mention steps.

Step 8: The downloaded file is also executable. Run it and for completion of the process, follow the onscreen instructions.

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Method 2: Rename the Faulty Driver

If you find any other file like atikmdag.sys, nvlddmkm.sys, etc. next to system thread exception not handled error then we will rename the faulty driver so that windows can’t find it and fetch a new copy of the driver do it follow the steps given below:

Step 1: In the search bar type command prompt, from the list, select it and open it.

Step 2: It will open a black window. Here you have to type the following command and press enter after each command: c: dir

Step 3: If the results of the above command show a folder named “Windows,” then it is the faulty drive.

Step 4: If it does not show anything like that, then type d: and press Enter.

Step 5:

  • Now type the commands given below and press Enter after each line.
    cd windows\system32\drivers
    ren drivername.sys drivername.old
  • Note that replace the drivername with the faulty drive like ssfjfjhdjg.sys

Step 6: Restart your pc. The driver we deleted will install automatically.

Step 7: If it does not install automatically, then log in normal mode.

Step 8: From the keyboard press Windows key and R together to open run command.

Step 9: In the search bar, type devmgmt.msc and press Enter.

Step 10: The drive which we uninstalled will see with a yellow exclamation mark. Right click on it and select Update Driver Software option.

Step 11: Click on the Search automatically for Updated Driver Software option.

Windows will search for the correct driver online and install it automatically.


It is all about system thread exception not handled windows 10. We hope you find your solution within it. If you have any query or doubts, then ask us using the comment section below. Thank you!

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