System Thread Exception not Handled Ntfs.sys: 6 Easy Fixes

Power cycling your PC should solve this problem

by Ivan Jenic
Ivan Jenic
Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and... read more
Reviewed by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • The system_thread_exception_not_handled ntfs.sys is a Blue Screen of Death error that indicates a system crash.
  • An excellent solution to fix this BSoD error is to use dedicated repair software.
  • Because a possible culprit for this error is a driver, you should consider updating it too.
system thread exception not handled ntfs.sys

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Have you upgraded to Windows 10? If you have, you might encounter the System thread exception not handled ntfs.sys error message appearing on your display alongside the classic Blue Screen of Death.

While different factors can cause this error, it is an impossible issue to address, as we will show in the following sections of this article.

What is the System Thread Exception not Handled error?

Listed below are some reasons for the System Thread Exception not Handled ntfs.sys error:

  • Faulty or outdated driver: Sometimes, this issue can be due to issues with some drivers on your PC. The quick way out here is to reinstall, roll back, or update these drivers to the latest version.
  • Faulty system files: In some cases, the system_thread_exception_not_handled ntfs.sys error is due to missing or broken system files. Repairing and restoring these files should do the trick here.

How can I fix System Thread Exception not Handled ntfs.sys error?

In this article

1. Power cycle your PC

  1. Shut down your PC and unplug it from the power source.
  2. Remove the battery and press and leave it for a few minutes.
  3. Now, press and hold the power button for 5 to 10 seconds.
  4. Plug the charger back without the battery.
  5. Next, power on your PC and put the battery back when it boots normally.

The thing to try is if you are getting the system thread exception not handled ntfs.sys failed error is to power cycle your PC. This has worked for some users, especially on Acer Aspire. So, it would be best if you tried it too.

2. Fix the error using third-party software

If you’re not familiar with such errors, this blue screen might scare you a little bit. However, system thread exception not handled ntfs.sys is not very common, but it can be fixed.

But you can do this the hard way by tweaking the system or using a clever solution that automatically clears these errors in just a few seconds.

Restoro repair

Restoro is powered by an online database that features the latest functional system files for Windows 10 PCs, allowing you to easily replace any elements that can cause a BSoD error.

This software can also help you by creating a restore point before starting the repairs, enabling you to easily restore the previous version of your system if something goes wrong.

This is how you can fix registry errors using Restoro:

  1. Download and install Restoro.
  2. Launch the application.
  3. Wait for the software to identify stability issues and possible corrupted files.
  4. Press Start Repair.
  5. Restart your PC for all the changes to take effect.

As soon as the fixing process is completed, your PC should work without problems, and you will not have to worry about BSoD errors or slow response times ever again.

Get Restoro

Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

3. Reinstall your graphics drivers

  1. Create and insert a bootable media creation tool into your PC.
  2. Now, boot your PC from the drive. If your PC does not boot automatically from the drive, restart it and press Esc, F2, or F8 to enter the BIOS and change the boot order.
  3. After booting your PC from the drive, enter your language and other information and click Next.
    language  system thread exception not handled ntfs.sys
  4. Click Repair your computer in the bottom left corner.
    repair computer
  5. Now, select Troubleshoot > Advanced options.
    advanced options
  6. Select Startup Settings.
    startup settings system thread exception not handled ntfs.sys
  7. Next, click the Restart button.
  8. Press the corresponding key to Enable Safe Mode or Safe Mode with Networking when your PC restarts.
    enable safe
  9. After your PC boots up, press the Windows key + X and select the Device Manager option.
    device manager system thread exception not handled ntfs.sys
  10. Now, double-click the Display adapters option to expand it and right-click the device there.
  11. Choose the Uninstall device option.
    uninstall device
  12. Finally, click the Uninstall button to confirm the action and restart your PC.
    uninstall button

Another effective solution to the System thread exception not handled ntfs.sys error is to reinstall your drivers. Again, this is especially effective for AMD driver users.

4. Use Command Prompt

  1. Repeat steps 1 to 5 in Solution 3.
  2. Now, select the Command Prompt option.
    command prompt system thread exception not handled ntfs.sys
  3. Type the C: in the command line and hit Enter.
  4. Now, copy and paste the command below and hit Enter: BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACYbcdedit
  5. Next, type Exit and press Enter to exit the command prompt window.
  6. Finally, restart your PC.

Sometimes, the System thread exception not handled ntfs.sys issue might occur due to corrupt boot files. Running the commands above should repair these files and help to boot your PC normally.

5. Install the latest graphics drivers

  1. Repeat steps 1 to 8 in solution 3 to enter Safe Mode.
  2. Press the Windows key + R, type devmgmt.msc, and click OK.
  3. Expand the Display adapters option and right-click the device there.
  4. Now, select the Update driver option.
    update driver system thread exception not handled ntfs.sys
  5. Finally, choose Search automatically for drivers and install any available update.
    search auto

Expert tip:


Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken.
We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
Click here to download and start repairing.

A problematic graphics driver most likely causes the System thread exception not handled ntfs.sys error. So, updating your driver should fix the issue.

However, for some users, rolling back their driver did the trick. So, you can try that too.

To make things easier, you can use a dedicated driver updater in DriverFix to automatically detect what type of graphic hardware you use and find the best driver version available. Then, in just a few minutes, your drivers will be up-to-date.

6. Use a Restore Point

  1. Repeat steps 1 to 5 in solution 3.
  2. Choose the System Restore option.
    system restore
  3. Now, select a restore point and click the Next button.
    restore point system thread exception not handled ntfs.sys
  4. Finally, follow the onscreen instructions to complete the process.

If the problem persists, try restoring your computer to a previous working state using System Restore. This involves installing an image of your OS before you have any issues with it.

With this, we can conclude this guide on the System thread exception not handled ntfs.sys error. Hopefully, you don’t have to exhaust the fixes in this guide before restoring normalcy on your PC.

Suppose you face a similar error in the Kmode exception not handled ntfs.sys, check our detailed guide to fix it.

Another standard error from the same error family is the atikmdag.sys system_thread_exception_not_handled error, but we also have a dedicated guide on that.

Feel free to let us know the solution that helped you fix this issue in the comments below.

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