How to Solve Unexpected_Kernel_Mode_Trap Error Easily

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You must read this article because you want a solution to address the unexpected_kernel_mode_trap error.

Yes – as you expected, the purpose of this article is to reveal how to overcome that issue. There are several fixes to it, and we will explain them all to you.

What Exactly Is the Unexpected_kernel_mode_trap Issue?

Many individuals who use Windows OS indeed come across unexpected_kernel_mode_trap issues. However, only a few are aware of the reason behind it. Your computer’s CPU has to generate an exception or a trap under certain circumstances.

However, in certain instances, the OS kernel becomes unable to catch the respective trap. As a result of this conflict, you will experience a Blue Screen with an error message.

The respective error message displays the text ‘unexpected_kernel_mode_trap’. The actual error code for this respective BSOD is 0x00000007F.

As per this bug check, your Intel CPU has generated a trap, and the kernel cannot catch it. The most probable reason behind this issue is hardware failure due to an error in the memory. It can be due to dust particles, malfunctioning hardware, corrupted system files, faulty software, etc.

In addition, it can happen due to the potential incompatibilities of the drivers. This issue can occur in Windows 7 and 8 in addition to Windows 10.


PS: get to know how to set up Windows 10 parental controls.

How to Fix Unexpected_kernel_mode_trap

Now that we have a general understanding of how the unexpected_kernel_mode_trap issue occurs. Let’s learn about the fixes.

As we have mentioned, there are several fixes to this issue, and we will explain them.

Also, get to know how to fix Windows update error 0x80070020.

01. If You Have Installed New Hardware or Software, Check Them

We frequently install various hardware and software on our computers to improve their performance.

If the installed software or hardware is malfunctioning, that can trigger various issues on your computer. The unexpected_kernel_mode_trap issue is one of those issues. One of the common issues with new hardware or software you install is incompatibility.

If you run Windows 10 on your computer, some older programs may not be compatible. Also, if you use too old hardware on a Windows 10 computer, there can be certain incompatibilities.

To check that, you can first disconnect all the external devices, such as printers, scanners, external hard drives, etc.

Then, restart the computer and check if the unexpected_kernel_mode_trap issue persists. You can add one device after the other and check which device gives the trouble.

Besides, if you have errors in the Page_Fault_In_Nonpaged_Area Blue screen of death, just fix them now.

02. Update the Device Drivers on Your Computer

Outdated device drivers are another common culprit behind the unexpected_kernel_mode_trap issue. So, the best way to address this issue is by updating the already installed drivers.

Updating the drivers is a very convenient process, without any doubt. You can easily get it done by launching the Device Manager.

If not, you can go to the Downloads section of the respective manufacturer’s website. Make sure that all the drivers are well-updated to match the performance of your computer.

It is specifically important to update graphic drivers, network drivers, drivers of the input devices, and chipset drivers.

Update the device drivers to Solve Unexpected_Kernel_Mode_Trap Error

By the way, click here to fix the Kmode_Exception_Not_Handled error.

03. Check your RAM with Memory Diagnostic Tool

Another practical way to address this issue is by checking the RAM with the Memory Diagnostic Tool. Well, this is a straightforward process. Mentioned below are the steps you should follow to get it done.

  • Before everything else, save all the work you are doing now.
  • Then, you should hit the key combination of ‘Windows + R’ so that it opens the ‘Run’ window.
  • Once the ‘Run’ window is opened, you should key in the command ‘mdsched.exe.’ Then, reboot the computer.
  • Once the computer is rebooted, you should perform a basic scan. If not, you can go to advanced options such as ‘Pass Count’ or ‘Test Mix.’
  • Now, hit F10, so the test will be started.

Also, click here for the full review of Unsecapp.exe for the WMI Client Application.

04. Go to BIOS and Disable Its Memory Caching

To begin this process, you should open the BIOS Setup screen on your computer. Then, you should go to the ‘Advanced’ option and select ‘Cache Memory.’ Disable it to complete the process.

Now, you can hit the F10 key and save the changes you have made to the BIOS settings. Then, you can reboot the computer.

Go to BIOS and disable its memory caching

05. Perform a Windows Update

As we said, hardware and software can cause a blue-screen error on your computer. So, even a minor glitch on your Windows operating system can cause various issues. Outdated operating systems often have bugs and security flaws.

So you can update your Windows OS and experience a smooth operating system. Once the system is updated, its overall performance will be more efficient, secure, and stable. It may be a good solution to get rid of the unexpected_kernel_mode_trap blue-screen error.

Below are the steps to try and update your operating system (Windows 10).

  • Hit the Windows key on your keyboard;
  • Once the search box appears, you can key in the words ‘Windows Update’.
  • Then, click on the option called ‘Check for Updates.’
Perform a Windows Update to Solve Unexpected_Kernel_Mode_Trap Error
  • Click on the Check for updates option (located on the right pane).
Perform a Windows Update

Now, you can follow the onscreen instructions and complete the updating process. Once the update is finished, you can restart the computer and see if the problem is gone.

06. Get the Assistance of the System File Checker

If you have yet to succeed, you can also try the System File Checker. To begin this process, you should simultaneously press the Windows key and the ‘X’ key.

If not, you can right-click your ‘Start’ button and click on ‘CMD’ in Cortana. Then, right-click on the Command Prompt option and choose ‘Run as Administrator.’

Get the assistance of the System File Checker

You can then click on ‘YES’ for the prompt related to User Account Control. Then, you will be able to see the command prompt window is opened.

You can now type in the following command and run the system file checker. Then, you should hit the ‘Enter’ key as well.

Get the assistance of the System File Checker

The command you should type ‘sfc/scannow‘ (without inverted commas).

Get the assistance of the System File Checker

07. Perform a Manual Clean on Your Computer

If none of the above options have worked for you yet, there is one solution left. In this case, you will have to focus mainly on the dust inside the system unit. The best approach is to use a small blower and remove the dust particles inside the system unit.

If you cannot find a blower, you can find a clean piece of cloth and rub the inner components. Be sure that you wipe the components with a gentle approach.

Otherwise, you will end up damaging the parts. Also, don’t use water because moisture and dampness can damage sensitive circuits.

You must ensure that the cleaning process is carried out very gently. Simple damage to the circuit will stop your computer from functioning properly and cause more annoyance. That means mistakenly carrying out the cleaning process can do more harm than good to your computer.

Also, if you are not too sure about handling hardware, the best approach is to hire a professional. A professional hardware technician has the right kind of tools, knowledge, and experience to handle it.


  1. What causes the Unexpected_Kernel_Mode_Trap Error? The error can be caused by hardware issues, software conflicts, or driver problems.
  2. How can I identify this error? The error is often accompanied by a sudden crash and a subsequent blue screen displaying the error message.
  3. What should I do when I encounter this error? Depending on the cause, you might need to update your hardware, rectify software conflicts, or fix driver problems.
  4. How can I prevent this error in the future? Regular system checks and updates can help prevent this error.
  5. When should I seek professional help? If the error persists despite following all the aforementioned steps, it’s time to seek professional help.


Handling the ‘Unexpected_Kernel_Mode_Trap’ error might seem daunting initially. However, with the right knowledge and tools, you can easily overcome it.


Ten years of experience in information and computer technology. Passionate about electronic devices, smartphones, computers, and modern technology.

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