How do I Fix Kmode Exception Not Handled on Windows 11/10/8 ?

Kernel mode or kmode exception not handled occurs when a kernel-mode program crashes and raises an error that the Windows error handler cannot identify. It is typically a BSOD (Blue screen of death) error that stops you from login into your computer and begins a continuous restart of the loop. In this article, we will target the solution for this problem and tell you how to recover your PC from this problem.

Why this error occurs?

1. Mostly this error occurs if any of the following system files go missing, deleted, or corrupted.

ntfs.sys, ndis.sys, syntp.sys, etd.sys, tcpip.sys, usbport.sys, igdkmd64.sys, iastora.sys, wdf01000.sys, tppwr32v.sys, intelppm.sys, netio.sys

2. Overclocking CPU – If you have overclocked CPU, you may get the kmode exception not handled error on Windows 11, 10, 8, 7, and Windows server.

3. Faulty RAM – A faulty RAM might be the biggest reason behind this BSOD error.

4. Driver problem – An outdated, corrupted, or missing driver can also cause the corresponding error.

How do I fix kmode exception not handled error?

Fixing this error depends on how much your operating system is damaged. If there is minor damage, you can fix it easily but if there are multiple damages, it will take time to get resolved.

Method 1: Fix using the Outbyte System Repair Tool

Mostly this error occurs due the missing system files, corrupted dll files, outdated or missing drivers, misconfigured registry files, viruses or trojans, etc. It is not possible to identify and fix entire operating system problems manually so, it is recommended to use a System Repair Tool to fix and optimize the entire computer properly. The following repair tool is recommended to use.

Windows is made with huge number of dll files, exe files, sys files, various types of services, databases, etc so, it is not possible to keep monitoring all the files always. A brilliant PC Optimizer tool repairs damages, fix errors, update windows and drivers, and eliminate various types of errors silently.

Outbyte PC Repair Tool does all the above task easily and provides you an errorfree and smooth Windows environment to work so that you can focus on your business only.

3 Steps to Fix this Error
Step 1. Download Outbyte PC Repair Tool [File Size: 16.4 MB]
Step 2. SCAN your Windows PC
Step 3. Click Fix button to Repair Error

Method 2: Fix the faulty RAM and HDD/SSD.

The error kmode exception not handled mostly occurs due to the Faulty RAM, HDD, or SSD. Open the laptop/computer back cover and re-insert the RAM again. You must clean the RAM using the cleaner/thinner/petrol before inserting back into the motherboard.

If you have another piece of RAM, you must try them and reboot your PC.

Method 3: Fix the Driver problem

An outdated, corrupted, or faulty driver can surely cause the kmode exception not handled error so, it is recommended to use a PC Repair Tool to fix all the driver issues automatically or go through the following manual method.

Step 1: Open Device Manager. Click on Start Menu and search for Device Manager and open it.


Step 2: Expand Display Adapters and right-click on your graphics driver and select Update Driver.


Step 3: Click on Search automatically for drivers. You must keep connected your PC to the Internet.


Step 4: It will find the latest version for your graphics driver. If the latest version of the driver is already installed, it will show you the following message.


Step 5: If you want, you can update the driver through Windows Update. Just click on “Search for updated drivers on Windows Update”.


Step 6: It will open windows update settings to update windows and all its associated drivers along with the graphics card driver.

Method 4: Start Windows in Clean Boot Mode.

Clean Boot Mode is always the best solution if you have trouble starting PC. This mode eliminates the chances of driver conflict. In order to start the PC in Clean Boot Mode, follow the given article.

Method 5: Disable/Turn off Fast Startup

The fast startup was first introduced in Windows 10. It enables Windows operating systems to shut down and turn off rapidly. In fast boot mode, the Windows operating system saves some information on shutdown, that it uses on the next start.

However, Fast startup is very useful in terms of booting your PC, but sometimes it creates problems like problems at windows startup. To fix the error kmode exception is not handled, you must disable Fast Startup in Windows 10/11.

Step 1: Open Control Panel. Go to Hardware and Sound ➜ Power Options.


Step 2: On the left side, click on the link “Choose what the power buttons do”.


Step 3:: Click the link “Change settings that are currently unavailable” on the top.


Step 4: Uncheck the box “Turn on fast start-up (recommended)” and Save changes.


Method 6: Turn off Overclocking PC

Note: This step is only necessary if you have overclocked your processor before. If you haven’t overclocked your processor, skip this method.

You need to edit BIOS settings to turn off Overclocking feature.

Here are the steps to disable overclocking:

Step 1: Open BIOS Settings. To open the BIOS settings reboot your PC and keep pressing the F2/F8/Del/Esc button when you see the manufacturer logo at startup. Different manufacturers may have different ways to open BIOS settings. You must check for the manufacturer’s guidelines to open BIOS.
Step 2: Find options related to CPU settings or Overclocking. Mostly this option is located under the “Advanced” or “Performance” section.
Step 3: Disable any overclocking options that are currently enabled. This may involve changing settings such as the CPU frequency or voltage.
Step 4: Save the changes and exit the BIOS settings. This can usually be done by pressing the F10 key or selecting the “Save and Exit” option.
Step 5: Restart your computer and check to make sure that the overclocking has been disabled. You can do this by running a benchmarking tool or monitoring your CPU temperature and performance.

Method 7: Run SFC.exe, DISM, and CHKDSK Command.

Step 1: Boot your PC using a Windows Installation device.
Step 2: On the Windows installation screen click Next.

windows os installation

Step 3: Select Repair your computer.

Repair windows installation

Step 4: It will open the Advanced Startup menu. Go to the Troubleshoot ➜ Advanced options ➜ Command Prompt.


Troubleshoot in Advanced Startup Menu Windows 10 & 11

Advanced Option

advanced option windows 10 & 11

Command Prompt


Step 5: Now run the following commands one by one.
i. System File Checker tool

sfc /scannow

ii. Run Dism command

Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth

iii. Run Disk checking utility.

chkdsk /f c:

Method 8: Perform Startup Repair.

Step 1: Connect the Windows Bootable device and boot from this drive. It will open Windows Installation settings. Click Next.

windows os installation

Step 2: In this window, select the Repair your computer option.

repair your computer option windows 10 & 11

Step 3: It will open the Advanced option or Windows Recovery Environment. Click on the Troubleshoot.

Troubleshoot in Advanced Startup Menu Windows 10 & 11

Step 4: Click on the Startup Repair.

Startup Repair Windows 10 & 11

Step 5: Select your OS.

Startup Repair - Select OS

Step 6: It will start Diagnosing your PC. Please wait.

diagnosing windows 10 & 11

Step 7: After completing the repair, your PC will get restarted, and you will be able to log in again.

Here’s the complete article on How to perform startup repair on Windows-based computers.

Method 9: Repair Windows using Recovery Drive.

It is a good idea to create a Recovery drive for your operating system. It could recover your PC from crashes. If you have a recovery drive, then you could use it to resolve this issue with ease.

Step 1: Connect the Recovery Drive or Insert the Recovery DVD into your computer.
Step 2: Open Advanced Startup Option. Select the Use a device option.

use a device option in Advanced startup menu windows 10/11

Step 3: Select your Recovery Drive. It might be your External Hard Drive, a DVD drive, or a Network Drive.

use a device option in windows 10 & 11

Step 4: Your computer will restart and ask you to choose the Keyboard layout. Choose the US.
Step 5: Select Recover from a drive option.

recover from a drive option in Windows 10 & 11

Step 6: Select your option between “Just remove my files” and “fully clean the drive”.

just remove my files option in Windows 10 & 11

Step 7: On the final confirmation, click Recover to start Recovery of your computer.

Recover option in advanced menu


In order to Fix kmode exception not handled error on Windows 7/8/10/11, you need to replace the faulty hardware, update drivers, disable fast startup, run a malware scanner, etc.