The occurrence of UNEXPECTED_KERNEL_MODE_TRAP (error code 0x0000007F) is a common Windows 10 issue that frequently results in the Blue Screen of Death (BSoD), leading to PC crashes and freezes. The error message "UNEXPECTED KERNEL MODE TRAP" denotes a bug check, signifying that the CPU generated a trap, and the kernel failed to intercept it. This particular blue screen error, coded as 0x0000007F, tends to manifest following significant system alterations, such as a Windows 10 upgrade or the installation of the Windows 10 anniversary update.


The UNEXPECTED KERNEL MODE TRAP blue screen error can stem from various factors, including dust-covered component connectors, improperly installed hardware or software, malware or viruses, damaged system files, and driver issues. These underlying causes may also lead to various other Windows 10 blue screen errors such as DRIVER_IRQL_NOT_LESS_OR_EQUAL (error 0x000000D1), INACCESSIBLE_BOOT_DEVICE error, Windows 10 VIDEO DXGKRNL FATAL ERROR, Driver Power State Failure, Internal Power error, and more.

Addressing the UNEXPECTED KERNEL MODE TRAP issue becomes crucial, especially following a Windows 10 upgrade or the installation of the Windows 10 anniversary update. The following solutions can help resolve this problem.

5 Methods to Fix UNEXPECTED KERNEL MODE TRAP Blue Screen Error in Windows 10

Method 1: Conduct a Cleanup on Dusty Components
Shut down and disconnect the devices from the PC, and then check if the PCI components are covered in dust. If so, clean up the dust and reconnect them to the computer to see if the UNEXPECTED KERNEL MODE TRAP or error 0x0000007F recurs.

Method 2: Check Newly Installed Hardware or Software

If the addition of any hardware is causing boot failures leading to the Windows 10 UNEXPECTED KERNEL MODE TRAP error, resolving it involves removing the problematic hardware. Additionally, it is crucial to ensure that all hardware is compatible with Windows 10, as the UNEXPECTED KERNEL MODE TRAP often occurs when components like the BIOS, network cards, hard disk controllers, etc., are incompatible with the operating system. Keeping these components up-to-date by checking for available updates on the hardware manufacturer's websites is essential.

If you can access Windows, it's recommended to inspect the software as well. The UNEXPECTED KERNEL MODE TRAP error might be triggered by recently installed software. Performing a Windows 10 clean boot can help identify and resolve the issue related to software conflicts.

Method 3: Scan and Clean up Malware on the PC
UNEXPECTED KERNEL MODE TRAP blue screen can be caused by malware or virus infected files. So launch the malware protection program to take a scan on your PC and delete the malicious files.

Method 4: Use System File Checker to Fix UNEXPECTED KERNEL MODE TRAP
Corrupted system files can also result in Windows 10 UNEXPECTED KERNEL MODE TRAP error, but you can use Windows System File Checker to scan for and repair damaged files.
1. Use Windows shortcut keys Win + X to launch the Jump List.
2. Select Command Prompt (Admin).
3. Type sfc /scannow into the dialog window and hit Enter.
The command will make the System File Checker to scan for corrupted system files that cause 0x0000007F blue screen.

Method 5: Update the Drivers and Fix Windows 10 UNEXPECTED KERNEL MODE TRAP

Outdated or malfunctioning drivers can disrupt the communication between the system and hardware, resulting in various issues such as the UNEXPECTED_KERNEL_MODE_TRAP blue screen, non-responsive mouse and keyboard, graphics error 43, unidentified network, and more. Resolving driver issues can be done manually, or you can opt for professional driver update utilities like Driver Talent, Driver Doctor, Driver Navigator, etc.

Author: sales@hystou.com

Hystou Technology Co Limited is a reliable manufacturer and exporter of fanless Mini PC, industrial PC, all in one PC and industrial panel PC. Our products are exported to the EU, America, Asia, etc., and have enjoyed a great reputation in the whole world market. In order to supply quality products and excellent services, our company has got approvable reports and certificates of CE, FCC, RoHS, SGS, ISO9001 and so on. Our goal is "Innovation First, Quality First, Customer First, Service First". We are committed to providing quality products, excellent services, competitive prices, quick responses and prompt delivery. Warmly welcome every customer to visit us, and hope we both sides could create a brilliant future with our efforts. OEM and ODM orders are welcomed.

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