How To Fix KMODE Exception Not Handled Error In Windows

The KMODE Exception Not Handled error is one of many Blue Screen of Death (BSOD) errors in Windows OS. It’s an ultimate nightmare for many Windows users.

The KMode means kernel mode. This blue screen error happens when the whole system crashes because it can’t operate in the normal mode anymore.

It will turn your computer’s screen to a blue color with several lines of messages and error codes.

Why Your Computer Gets KMODE Exception Not Handled Error?


This BSOD error can cause by the incompatibility of your hardware, drivers, firmware or any programs. But, here are common reasons that cause the KMODE_EXCEPTION_NOT_HANDLED BSOD error:

  • Incompatible or faulty software.
  • Incompatible or error drivers.
  • Incompatible or faulty hardware.
  • Incorrect device configuration.
  • Corrupted Windows system files.

In this article, we will give you some useful methods to fix “KMode Exception Not Handled” error.


As we mentioned above, this problem occurs on your Windows computer due to one or more faulty hardware, incompatible drivers and corrupted system files. In most cases, you can fix this error by updating Windows drivers for the device that is causing the error.

Note: When you want to update Windows drivers, it must do in Safe Mode. You have to select “Safe Mode with Networking” option from “Advanced Boot Menu“.

Start Your Computer Into Safe Mode And Update Drivers

Often, this error and many other Blue Screen of Death error can be solved by updating the drivers.

Firstly, restart your computer and turn it into Safe Mode. It’s needed because most times when a BSOD error occurs, your computer is always in a loop of restarting.

If you don’t know how to boot your Windows system in Safe Mode, the click here to learn more.

Once your computer accessing Safe Mode, press Windows + X keys and select Device Manager.

Windows + X device manager

A new window will open up. Find any “Unknown Device” or devices with yellow signs and then right-click on it and then select Update Driver Software.

Select “Search automatically for updated driver software“.

update driver software Windows

Wait until the download process is complete and then restart your computer for the changes to take effect.

Note: If you your computer doesn’t have any Internet connection, try to uninstall these corrupted drivers. And then reinstall these drivers from manufacturers’ CD/DVDs or a USB drive (download from other computer and copy to a USB driver).

Remove Faulty Hardware To Fix KMODE Exception Not Handled Error

If you have recently installed any new hardware on your computer, and after that, this BSOD error occurs. Then you should remove that device from your computer to verify it’s the cause or not. Sometimes, an incompatible hardware could cause this error.

Also, a damaged hardware could lead to this error. Make sure no damaged device connected to your computer.

Tip: If you have inserted two RAM sticks in your computer, try to remove one keep one and do opposite to verify is there any problem with your RAM.

Remove Faulty Hardware

You can also use Windows Memory Diagnostic to test your RAM memory and get back to you if there is any error. To open Memory Diagnostic tool, click on the Start button and search for “memory diagnostic” and click on “Windows Memory Diagnostic“.

Select “Restart now and check for problems“.

Once your computer restarts, the memory test process will be performed, and the errors will show to you. If you find any error, that means you have to buy new RAM sticks and replace for the old one.


As we mentioned above, incorrect device configurations can cause this BSOD error. To solve this issue, you need to reset your BIOS settings and then configure it again.

If you don’t know how to reset your BIOS settings, check it out at here. Also, read this article to learn how to update your BIOS settings.

Scan And Repair Corrupted Windows System Files

According to Microsoft, corrupted system files can lead to this error. To fix it, you need to scan the whole of your Windows system files and repair if there is any corrupted file. It’s very simple, just use the sfc /scannow command in Command Prompt to automatically scan and repair your corrupted files.

Tip: If you have recently installed any new software on your computer and then face this error. We would suggest you to uninstall that software and verify if the problem still exists or not. We received some reports that antivirus and security software are caused this error. Try to disable or uninstall them and check your computer again.

If none of above methods could help you to fix KMODE Exception Not Handled error on your computer, we would suggest you to restore your computer or reset it.

If you have any other question or need any further help to fix the KMODE_EXCEPTION_NOT_HANDLED error, let us know.