SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (nviddmkm.sys) Blue Screen on Windows 10

While working on my laptop, I suddenly found my Windows 10 screen flicker, go black and then I saw the Blue Screen with the Stop Error – SYSTEM THREAD EXCEPTION NOT HANDLED (nviddmkm.sys). Windows collected some information, and once that was done, my computer rebooted. Although I received on an otherwise stable system, this Stop Error is known to occur even during setup or upgrade times or due to system BIOS incompatibilities. This is what I did to resolve the issue. This Stop Error can be caused due to Driver files like iaisp64 sys, Netwtw04.sys, nvlddmkm.sys, etc.

System_Thread_Exception_Not_Handled (nviddmkm.sys)


First, make sure you have enough disk space. If not, use the Disk Cleanup Tool to remove junk files and free up disk space.

In my case, after the Error Code, you could see a name of a file. If a driver is identified in the bug check message, you should find out what the file is about. You could search for it on your computer and then check its Properties, or you could search on the Internet.

In my case it was ‘SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (nvlddmkm.sys)’, where at the end you will see a file name nvlddmkm.sys displayed. A simple search showed that it is a Nvidia display driver file. This means that it was this file that caused the Blue Screen.

In such cases you will have to disable the driver or check with the manufacturer for driver updates, depending n the situation. Since mine was the display driver, I decided to check if any updates were available. If it is a new Service that was added, disable it via services.msc and see if it helps.

To update your drivers, from the WinX Menu, open Device Manager and expand Display adapters. Right-click on the Display Driver and select Update Driver Software.


If any updates are found, the wizard will download and install the driver for you. I decided to update both the Display adapter drivers.

downloading drivers

Once the new drivers have been installed, restart your computer. This resolved my issue.

If the Blue Screen occurs at startup, you may need to boot Windows 10 in Safe Mode and rename or delete the faulty driver. If the driver is used as part of the system startup process in Safe Mode, you must start the computer by using the Recovery Console to access the file.

The other things you could do to resolve this Stop Error is to try changing video adapters. You could also check with your hardware vendor and see if any BIOS updates are available. If you have enabled BIOS memory options such as caching or shadowing, disable it. Ensuring that you have the latest version of Adobe Flash Player is something you may also want to do.

Read: How to fix DPC_WATCHDOG_VIOLATION Blue Screen.

See this post if you receive Your PC ran into a problem that it couldn’t handle, and now it needs to restart, you can search for the error online SYSTEM THREAD EXCEPTION NOT HANDLED (pci.sys) error message. This post gives you additional tips on fixing Blue Screen of Death in Windows 10.

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Posted by on , in Category Windows with Tags
Anand Khanse is the Admin of, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.


  1. Anand, I had that issue twice when installing an NVIDIA driver update (before completing the update process). As it was clear to me what was causing the blue screen I decided not to install the update for some time. Then, after a week or so I did the install again and it worked well. I suppose NVIDIA became aware of the problem and fixed it.

  2. Thanks for this bit of information, Paulo. Maybe Nvidia has fixed this. This tutorial will however apply to any driver/system file which is mentioned in the Blue Screen message.

  3. Rodd McNally

    i`m having this issue but it is actually preventing me from getting into Windows to be able to rectify the situation, it just keeps having the error and restarting to repeat the process
    Any help would be appreciated

  4. Lisa

    I’m having the exact same problem! Anyone knows how to fix this?

  5. psiclops

    if you can get to command prompt try replaci the file in question from the cd/install media (if you dont have try to download it on another pc?)

  6. Dan Hayxon

    Mine didn’t show what file caused

  7. Zap

    No, there’s still the issue as today.

  8. I had to install the Windows Driver Kit to find out that the problem was not this file itself -_- it’s due to the excessive memory leaks caused from a driver. if you have a Killer Network suite software i please you to uninstall it you will be kindly rewarded from all that sorts of BSOD caused by it.

  9. Felicia Marie.

    Mine is stuck in the loop it has been doing it all day and everything I look online nothing works cause it keeps crashing and rebooting and nothing

  10. Milena

    I’m having this issue while trying to install Windows 10. I formatted my drive so I dont have an OS and whenever I try to install this error comes up. Any ideas? Thank you!

  11. Sabo

    Hi, I used to have several problemas with this message ”

    System_Thread_Exception_Not_Handled” (nothing else, no names of files at all). The only option was to reset my laptop and so I did. Now it is alright except for today, when I saw again this message. The difference, this time, is that it took only a few seconds for my laptop to colelct the info and restart. What would you suggest me please? Cheers

  12. Kassie Crous

    Anand, I got exactly the same blue screen message as you… I checked my display adapters (Nvidia GeForce GT 730) and then checked for updates… It says I am up to date… What now _ Im not that up to date with technology but can find my way around a computer with some help

  13. Edward Greene

    I had a similar problem with word perfect x7 when I was I a document and the computer went to sleep I got the bsod. When I turned off sleep it hasn’t crashed yet in nvidia nvlddmkm.sys

  14. this is not a name

    Or maybe try to restart the computer in safe mode

  15. Mascote Leo

    Don’t Work

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