Windows

Fix: UNEXPECTED_KERNEL_MODE_TRAP BSOD

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The blue screen of death “UNEXPECTED_KERNEL_MODE_TRAP” occurs when either there are software problems or some hardware failure in your computer. It is common to occur after the installation of mismatched or faulty hardware in your computer. Overclocking your PC can also cause this error as well as when there is a memory failure.

Since the causes of the error are so generic and broad, there are several workarounds which can be implemented to solve this issue we are facing. First, we will start by checking the list of installed software and then move towards hardware components.

Solution 1: Changing Debugging information

Whenever a system or driver failure occurs, the operating system tries to collect all the diagnostics of the state of the system and saves it to the hard drive to send the error report to Microsoft and to analyze and troubleshoot where it went wrong. It seems that if the debugging information is set as “Kernel memory dump”, this BSOD occurs rather frequently and causes the problem. Kernel memory dump contains all the memory which is in use by the kernel at the time when the system crash occurred. Changing the option solves the issue.

  1. Press Windows + R, type “control panel” in the dialogue box and press Enter.
  2. Once in the control panel, click on System and security and then click System.

  1. Once in System, click on Advanced system settings present at the left side of the navigation pane.

  1. When the System properties folder opens up, click on Settings present underneath the sub-heading Startup and recovery.

  1. Change the Write debugging information to Small memory dump. It shouldn’t be Kernel memory dump. Press Ok to save changes and exit.

  1. Restart your computer and see if the BSOD still appears.

Solution 2: Checking problematic software/drivers

Like mentioned above, this blue screen of death also occurs if you have problematic programs or drivers installed on your computer which are not supported by your hardware or your operating system type. What you can do is go through all the software and uninstall all the unnecessary ones. These include programs which are installed by random websites or came with a package with other programs. You should look for software like Riva Tuner, MSI Afterburner, EVGA Precision, Clean master etc.

  1. Press Windows + R, type “appwiz.cpl” in the dialogue box and press Enter.
  2. Once all the software populates, navigate through each of them and see which ones to uninstall.

Also, make sure that you check your drivers (especially disk drivers). If you have drivers like (dump_iaStor) in a computer where Intel Rapid Storage Technology is not supported, you should remove them immediately. Another remedy is to navigate to the device manager and uninstall the disk drive drivers. When you reboot your computer, the default drivers will be automatically installed by the BIOS.

  1. Press Windows + R, type “devmgmt.msc” in the dialogue box and press Enter.
  2. Once in the device manager, navigate to the driver which you suspect is problematic, right-click it and either click Uninstall or Update driver.

If you update a driver, you can either use an automatic update or manual update. In a manual update, you have to download the drivers manually from the website first and then browse to the downloaded file from the explorer.

PRO TIP: If the issue is with your computer or a laptop/notebook you should try using the Reimage Plus Software which can scan the repositories and replace corrupt and missing files. This works in most cases, where the issue is originated due to a system corruption. You can download Reimage Plus by Clicking Here
  1. Restart your computer after making all the changes and check if these made any difference.

Solution 3: Changing configurations of the browser (advanced users)

If you are facing the blue screen of death (UNEXPECTED_KERNEL_MODE_TRAP) with embedded browsers which are trying to pull website with flash, java, etc, you can change some configurations and see if this does the trick.

Do note that this solution is not for normal cases and is only intended for specified technicians who are running embedded browsers. Make sure that you make changes to the following settings and configurations:

Windows browser: IE browser

Browser homepage: whatever_location_you_want\creo3_homepage.htm (in this case, the example is given if you are using CREO).

AFX Enabled: No

Enable 3D model space browser tab: No

Enable part community tab: No

Enable resource browser tab: No

Make sure that you have your settings set this way and see if the problem still persists after this.

Solution 4: Checking your RAM

Like mentioned before, RAM is also responsible for the BSOD “UNEXPECTED_KERNEL_MODE_TRAP”. RAM (Random Access Memory) is a core part of your machine and if there is a problem with it, it may be the reason why you are getting this BSOD. We will try running Windows memory diagnostic tool and see if it can fix any discrepancies (if present).

  1. Press Windows + R to launch the Run application. Type “mdsched.exe” in the dialogue box and press Enter.
  2. A Windows Memory Diagnostic window will pop up. Now you have two options, either Restart now and check for the problem or check for problems that next time your computer start. Make sure that you save all your work before pressing the restart button.

  1. After the restart, you might see a window like this. Let the process run completely and do not cancel at any step. If you see the progress stuck, don’t worry. The computer will restart itself after the check is complete.

  1. Check after the computer restarts if the BSOD still occurs.

Solution 5: Checking for System Updates

If you haven’t checked your Windows for potential updates, you should check right away. Each update consists of more support for hardware components, bug fixes, and even new functionalities. It can be possible that the issue you are facing is already addressed in the update. Microsoft officially recognized this BSOD affecting computers and also released an update which fixed it.

  1. Click Start and type in the dialogue box “Settings”. Click the application that returns in the search results. Click on the “Update and security” button.

  1. Here you will find “Check for updates” in the “Windows Update” tab. Now windows will check for any available updates and install them after downloading.

 

  1. After installing the updates, see if the problem is solved.

Solution 6: Checking newly added hardware

As a final step before we reinstall Windows, you should any recently added hardware on your computer. According to Microsoft’s official documentation, this BSOD might also occur if you have installed any new hardware modules (especially memory and disk drive) on your computer. If they are incompatible or cause some crash, this might induce the blue screen of death.

Take out any newly added modules from your computer (for example a RAM stick) and replace them with the old ones. Now boot your computer and see if the BSOD still occurs.

Solution 7: Installing fresh Windows

If all the above methods don’t work out and you are still facing the blue screens every now and then, you should do a clean installation of Windows. First, you should back up all the important data on your some external storage either by booting the computer in safe mode or in RE.

You check out our article on how to install Windows 10 on your computer. You can easily make a Windows bootable by either Rufus or by Windows media creation tool. Do note that when you install a new version of Windows on your hard drive, all the existing data will get erased.

Note: If the blue screen occurs again and again and prevents you from executing these solutions, you can boot your computer into safe mode and try executing these solutions from the recovery environment.

PRO TIP: If the issue is with your computer or a laptop/notebook you should try using the Reimage Plus Software which can scan the repositories and replace corrupt and missing files. This works in most cases, where the issue is originated due to a system corruption. You can download Reimage Plus by Clicking Here

RECOMMENDED: Click here to fix Windows errors and optimize system performance

Kevin Arrows

Hi! I'm Kevin. Thank you for reading the article above. I am a certified MCTS (Microsoft Certified Technology Specialist) with over 10 years of experience. I love to address tech issues, and write tech how-to's in a way that it can be followed by everyone.

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Fix: UNEXPECTED_KERNEL_MODE_TRAP BSOD

If the issue is with your Computer or a Laptop you should try using the Reimage Plus Software which can scan the repositories and replace corrupt and missing files. This works in most cases, where the issue is originated due to a system corruption. You can download Reimage Plus by clicking the Download button below.

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