Fix System Thread Exception Not Handled on Windows 10


Probably, You have been experiencing the blue screen of death “SYSTEM THREAD EXCEPTION NOT HANDLED” on Windows 10. It’s time to fix this error completely.

You may face stop error anytime. For example, A blue screen of death (stop code error) may appear before your PC boots up completely, or while playing games, high-quality videos. It also may appear while browsing the internet. Some users may face it while doing work on heavy software like photoshop, after effects, unity, Maya, etc. So, You can guess which thing is causing the problem. For example, If the problem appears while gaming or doing works that extremely utilize GPU, your graphics driver may be responsible for this. However, To fix System Thread Exception Not Handled on Windows 10, you can take some common steps that will work in more situations.

Corrupted Drivers are the common reasons behind any kind of blue screen errors. So, Sometimes, This blue screen of death may refer you specific driver name like AmUStar.SYSdxgmms2.sysnvlddmkm.sysntfs.sys, etc. Anyway, We will focus on how to fix the problem and how to find out the problematic driver.

How to Fix System Thread Exception Not Handled on Windows

When you are going to troubleshoot this BSOD, you will have two different scenarios. First one, You can boot into windows successfully and face the system threat exception not handled randomly. The second one, You can’t boot successfully because it appears before the Windows login screen. If the second one happens, please try to boot into safe mode. Then, Try our solutions.

By the way, To repair this BSOD error code, you can follow these methods.

1. Update All of the Drivers Especially Graphics Card

To fix system thread exception not handled, you should update all of the drivers of your PC as a first step. This BSOD appears more due to the problem of the graphics card driver. So, You must keep your GPU driver up to date. In many situations, your NVIDIA or AMD even the built-in Intel graphics driver become corrupted or incompatible. That causes the blue screen of death.

Updating all drivers manually one by one can be a pain. So, You should read this article: How to Update Drivers Automatically. There you will find ways to update drivers both manually and automatically. Anyway, You can use third-party tools like Driver Booster, Driver Easy, Driver Talent, etc. Because These tools can keep your driver up to date automatically in the background. So, Your PC performance remains smooth and stable.

Updating Graphics Card Driver in Windows 10

Anyway, If you wish to update the drivers manually, here are the steps to follow.

  • At first, Open the start menu, type devmgmt.msc and hit enter. It will open the Windows Device Manager.
  • Now, You will see a list of drivers. Just, Right-click on your preferred one and choose “Update Driver” and then follow onscreen instructions.
  • Do the same thing for all drivers.

After updating the drivers, restart your computer. It should solve system thread exception not handled.

2. Run SFC and DISM Command

It is a very common method that can help in troubleshooting various windows system errors. Especially, When users encounter a blue screen of death, this method may help them to fix it. So, You also should try to run SFC (System File Checker) and DISM (Deployment Imaging Service and Management) command. Anyway, You can read: how to repair corrupted system files. In that article, you will get to know how to tun these commands effectively.

3. Remove Problematic Software

Are you encountering the system thread not handled after installing/updating specific software? Probably, That is causing the problem. Most of the time, A heavy software or your antivirus program may be the reason. So, You should uninstall your antivirus completely to see if it helps. Also, Uninstall the recently installed/updated software.

Sometimes, The corrupted startup items/services also may cause problems. In this case, You will need to perform clean boot. It will prevent all third-party services to run during startup. As a result, You will get some idea if the source of the BSOD is one of your startup items or not. If clean boot solves your problem, try to enable the disabled services one by one to see which one is the main culprit. Then, Uninstall/keep them disable.

4. Repair Basic Hard Disk Problems

Stop code errors can appear if the hard disk becomes corrupted. So, In order to troubleshoot system thread exception not handled, you can take steps to repair your disk problems too. Some users, May not be able to boot into Windows as the BSOD appears before login screen even in safe mode. In this case, As a first step, you should repair MBR (Master Boot Records) and then go forward for other solutions. To fix MBR, follow the steps below.

bootrec.exe /rebuildbcd
bootrec.exe /fixmbr
bootrec.exe /fixboot
  • You also should run the chkdsk command to repair basic hard disk corruptions.
chkdsk /r c:

After doing it, you should no longer encounter that blue screen error. In addition, You can take some other steps to repair your hard disk errors. Read: How to Repair Hard Disk Errors.

5. Update and Reset BIOS

Problems on BIOS will also reflect on your PC experience. One of the symptoms is BSOD. You should update your BIOS/UEFI to make sure there are no bugs on firmware. Read: How to Update BIOS

After updating, make sure all settings on your BIOS is compatible with everything on your PC. If you don’t understand, you can simply reset BIOS. To do it, you will need to access the BIOS/UEFI dashboard and then choose the relevant option to reset it. For more details, You should have a look at your motherboard manufacturer’s website.

6. Analyze Dump File

If the above methods fail, you should take steps to analyze dump file. It will help you to identify the problematic driver which is responsible for the BSOD. After identifying, you can re-install/update that driver to see if it fixes system thread exception not handled.

These are some methods that can help you to troubleshoot this blue screen error. If something else has worked for you, you can share it in the comment box.

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Hasibul Kabir is the founder of TechClassy. He is a Tech Blogger, Web Developer & Hobbyist Game Developer. He loves to write on technology, mainly Windows, macOS, iOS, etc.


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