7 Ways to Fix Kmode Exception Not Handled in Windows

'' Kmode Exception Not Handled '' in a blue screen error which appears if an exception is caused by the kernel mode program. Thus, the system cannot operate no more and it is force stopped. In most cases, you will not be able to access the system. No matter how many times you restart, it repeats over and over again.

The most likely cause of this error is the corrupted drivers. Besides that it can also occur due to conflicts between applications. Al though this looks serious, its possible to fix this in a matter of minutes. If the blue screen prevents you from booting into windows, you should definitely try below solutions.

In this article, I will be demonstrating about 7 Ways to Fix Kmode Exception Not Handled in Windows. All of the possible fixes are listed below.

Let's get started,

1. Check RAM

Most certainly hardware issues can cause this problem. Some users have also reported to experience Kmode exception not handled error due to faulty RAM. Therefore, you need to identify which RAM is faulty so that you can replace them. Windows comes with its own memory diagnostics tool to know if the culprit is your RAM.

2. Perform SFC Scan

In some instances, if the system undergoes file corruption it could also be the reason for Kmode exception not handled error. If that it is the case, you need to ensure that each corrupted file is replaced with a non-faulty equivalent. For self diagnosing and fixing system files, windows uses a tool known as System File Checker (SFC). SFC scan identifies the exact files causing this problem.

To run SFC Scan,

Insert the installation media
Restart the PC
Boot from the installation media
Choose your language
Press Shift + F10
Type and press Enter after the command

'' SFC/Scannow ''

3. Update Drivers

Most often Kmode exception not handled is caused by an outdated drivers. Especially, the network adapter drivers. If the error is caused as a result of the drivers, it is a must to update the drivers. Manually updating the drivers can be easily done using the device manager. Usually, the problematic drivers are indicated in the blue screen error itself. If the problematic drivers are not shown, visit the manufacturer's site directly.

4. Rename File

Similar to the drivers, the problematic files are also indicated along with the error. Particularly, the file called bdselfpr.sys. Using the file name, you can identify where the error got originated. You can try renaming the file if it is not crucial. Be aware that renaming crucial files can cause system complications.

5. Update BIOS

An outdated BIOS version can also trigger Kmode exception not handled error. Recent BIOS versions are directly available from the manufacturer's website. Now this process needs to be done carefully. If it is carried out improperly, it could result in some serious damages. You will know how to update the BIOS from the instruction manuals.

6. Remove Peripheral Devices

Next time when you are turning on the computer, remove all of the peripheral devices. Check if the computer works fine. If it is, one of the devices may be faulty or not installed properly. The peripheral devices include Keyboard, mouse, game controllers, USB drive etc...

7. Uninstall Antivirus

There is also a chance for your antivirus to cause this issue. Some Antivirus programs delete system files. Either during installation or updating drivers. So you can try uninstalling the antivirus software temporarily. Once the issue is sorted, you can reinstall them to make your system protected.