How To Fix ‘Kmode Exception Not Handled’ in Windows Error


The KMODE_EXCEPTION_NOT_HANDLED error is a notorious Blue Screen of Death (BSOD) error in Windows operating systems. When encountered, it can be frustrating and disruptive, leading to unexpected system crashes.

In this comprehensive guide, we will explain the details of the KMODE_EXCEPTION_NOT_HANDLED error, its possible causes, common solutions, and best practices to address and prevent it.



The KMODE_EXCEPTION_NOT_HANDLED error is a Windows stop error, often displayed as a blue screen with an error code.

It indicates that a kernel-mode program or driver attempted to access memory that it shouldn’t or executed an invalid operation. This error is critical and requires immediate attention as it can lead to data loss and system instability.

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Common Causes of the KMODE_EXCEPTION_NOT_HANDLED Error

Understanding the potential causes of this error is essential for effective troubleshooting. Here are some common reasons behind the KMODE_EXCEPTION_NOT_HANDLED error:

  1. Faulty or Incompatible Hardware: Hardware issues, such as malfunctioning RAM, a failing hard drive, or incompatible hardware components, can trigger this error.
  2. Driver Problems: Outdated, incompatible, or corrupt device drivers, especially those related to hardware components like graphics cards or network adapters, can cause the error.
  3. Software Conflicts: Conflicts between software applications or third-party utilities can lead to system instability and result in this error.
  4. Malware or Virus Infections: Malicious software can compromise system files and drivers, leading to BSOD errors like KMODE_EXCEPTION_NOT_HANDLED.
  5. Windows Updates: In some cases, Windows updates or patches can introduce compatibility issues with existing drivers or hardware, resulting in this error.
  6. Overclocking: Overclocking CPU or GPU settings beyond their stable limits can lead to system instability and trigger this error.

Repair Kmode Exception Not Handled in Windows Using the Following Method

Kmode Exception Not Handled in Windows Error can be fixed using these methods.

1. Defragment Your Computer’s Memory

The system may contain a large number of obsolete files, as well as the most recent ones. These files take up the most space on your computer. That could result in a Kmode exception not being handled.

Thus, there is a pressing need to free up space on the hard disc. The methods listed below can be used to free up disc space.

2. Windows Update Troubleshooting, Repair, and Reinstallation

An update to Windows will optimise CPU usage by enabling background processes. To address this issue, follow the steps outlined below.

Step 1: Press the Window key on your keyboard to bring up the Control Panel. Select “System and security” from the “View by Category” drop-down menu after clicking on it.

Step 2: Choose a system and upkeep later. Now select “Fix the Problem With Windows Update,” which is situated underneath the option itself, in the troubleshooting section. To begin troubleshooting as an administrator, select “Try Troubleshooting.”

Step 3: Restart the computer if possible.  Disable a number of particular services. Determine which services are causing these issues by navigating to them. This makes it easy to get rid of the error service host local system high disc utilisation if you run across such services. Make sure you do so by following the instructions.

Step 4: Right-click on the taskbar at the bottom of the desktop to bring up the Task Manager. Locate other processes linked with Service host: local system by opening the drop-down menu.

Step 5: To end a service, click on it later and tap the end task button in the bottom right corner of the tab. The service host: local system must be followed for each and every process. Also, fixing the discord won’t open error is highly encouraged.

If a file is creating these problems, then right-click on it and select “open services” to stop it. As a final step, locate and stop any services with the same name. Using this approach entails a significant amount of danger.

Still, today many people are using this way to fix the problem of Service Host Local System High Disk Usage by blocking the Windows updates on their PC for a long time. The Kmode Exception Not Handled issue can be solved permanently using this way.

Error message drivers can be uninstalled in the second method. For drivers that cause system errors, uninstalling them and reinstalling the most recent version of the driver is the most efficient way to fix the problem.

In order to accomplish this, here are the steps to follow:

Step 1: Press the Windows key and X to bring up a list of available services for your computer. and select “Device management” from the drop-down menu.

Step 2: Locate and uninstall the necessary driver. After completing the previous two steps, download the latest version. Finally, restart the computer after installing the driver.

The KMode Exception Not Handled error will be resolved following the completion of the preceding steps.

3. Updating To The Latest Drivers 

It takes a long time to update the drivers because we have to wait for the download to finish before we can do it. However, outdated drivers and software can lead to a variety of problems that must be tackled by every user.

Consequently, it’s a good idea to keep your software and drivers up to date. To manually update, these are the steps:

Step 1: First, type devicemgr in the Run Command to launch the device manager. Pressing the Windows key and X simultaneously is also an option.

Step 2: This is the final step. Click on the Update Driver button now. If you pick “Search automatically for updated driver software,” your computer will look for the most recent versions of your drivers.

Step 3: Wait for all of your drivers to be updated before continuing.

Lastly, restart the computer to see the results of the changes.

Best Practices to Prevent the KMODE_EXCEPTION_NOT_HANDLED Error

While addressing the error is crucial, preventing it from occurring in the first place is equally important. Here are some best practices to help you avoid encountering the KMODE_EXCEPTION_NOT_HANDLED error:

  1. Regularly Update Drivers: Keep all device drivers up to date by visiting the manufacturer’s websites or using trusted driver update software.
  2. Install Windows Updates: Enable automatic Windows updates to ensure your operating system remains secure and compatible with the latest hardware and software.
  3. Use Reliable Antivirus Software: Install and regularly update reputable antivirus or anti-malware software to protect your system from malicious threats.
  4. Avoid Overclocking: Unless you are experienced with overclocking and have stable configurations, it’s best to refrain from overclocking your hardware components.
  5. Backup Your Data: Regularly back up your important files and data to prevent data loss in case of system crashes or errors.
  6. Monitor Hardware Health: Use diagnostic tools to monitor the health of your hardware components and catch potential issues early.

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The KMODE_EXCEPTION_NOT_HANDLED error in Windows can be a frustrating and disruptive experience.

However, by understanding its causes and following the common solutions and best practices outlined in this guide, you can effectively address the error when it occurs and take steps to prevent it in the future.

Ensuring that your hardware is in good condition, keeping your drivers and software up to date, and practicing safe computing habits are key to maintaining a stable and error-free Windows system.


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