How to fix Kmode exception not handled error [11 Steps]

Milan Stanojevic
by Milan Stanojevic
Deputy Editor
Last update:
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  • Kmode error occurs when your OS suffers a serious blow and is forced to stop completely. 
  • This type of error, with all its possible variations, has a few fixes which we list below.
  • In order to easily solve the Kmode_exception_not_handled error in Windows 10, you have to update your BIOS.
  • The Blue Screen Kmode exception not handled error can be repaired by replacing RAM. Read on for more details!
BSOD error Kmode exception not handled Windows 10
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7. Manually set your CPU voltage

Manually set your CPU voltage

Few users reported that the CPU is sometimes responsible for BSoD errors. In this particular situation, you’ll have to manually set the CPU voltage.

This is an advanced and potentially dangerous process, therefore, before you try it make sure to check your motherboard manual and consult with an expert.


8. Update your BIOS

Kmode exception not handled RAM

In some cases, the kmode_exception_not_handled error can be caused due to an outdated version of BIOS.

To update your BIOS, you need to visit your motherboard manufacturer’s website and download the latest version for your motherboard.

Also, check your motherboard instruction manual to see how to properly update BIOS.

Bear in mind that BIOS update is an advanced procedure, and if not performed correctly it can cause permanent damage to your PC.


9. Check your RAM

  1. Press Windows Key + R and enter mdsched.exe.
  2. Press Enter or click OK.
    Kmode exception not handled BSOD
  3. In the Windows Memory Diagnostic window, choose one of the two options and follow the instructions.
    Kmode exception not handled ntfs.sys

10. Replace your RAM

Kmode exception not handled VMware

Few users confirmed that the kmode_exception_not_handled ntfs.sys is caused by faulty RAM, so in order to fix it, you’ll have to find the faulty RAM module and replace it.

If your computer is under warranty make sure to take it to a repair shop and ask them to do it for you.


11. Uninstall the VPN client

Uninstall VPN client

The kmode_exception_not_handled NTFS.sys BSOD error, for instance, is reportedly caused by VPN clients such as BitDefender and/or Cisco.

The solution is to try and uninstall them. However, since using a VPN is useful for your overall online activity, we rather recommend pausing the client and see if it helps.

If not, and you decide to go for the removal, we suggest reinstalling it the BSoD is fixed.

These were our recommendations for the Kmode BSoD issues. We hope that you managed to bypass it, and we’d like to hear what worked for you.

On the other hand, you could prepare beforehand for such unhappy events by installing one of these reliable tools that will help you fix pretty much any system error.

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Frequently Asked Questions

  • Kmode Exception Not Handled is a blue screen error triggered by a system crash. The main reason behind this issue is the Kernel Mode Program causing an exception that could not be identified.

  • A  faulty driver is one that has been corrupted and hence, has turned unusable. When a driver is corrupted, the corresponding device that depends on it also becomes inoperable.

  • There are several easy-to-use dedicated tools to help you with this task, so be sure to try them out.

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