Rename the problematic file (replace filename.sys with the actual file shown on your BSOD, such as rtwlane.sys ): ren filename.sys filename.old Use code with caution. Restart your computer. Step 5: Disable Fast Startup
Understanding the "System Thread Exception Not Handled" Error
Restart your crashing PC and tap the or F2 key repeatedly during startup to enter the BIOS menu.
The "System Thread Exception Not Handled" error is one of the most frustrating Blue Screen of Death (BSOD) issues in Windows 11 and 10. It often triggers an endless boot loop, stopping you from accessing your desktop entirely. This guide provides a complete, step-by-step walkthrough to identify the root cause and fix this error for good. system thread exception not handled new
Rename the offending driver file (replace filename.sys with the actual name shown on your BSOD screen, such as atikmdag.sys ): ren filename.sys filename.old Use code with caution.
Locate the component causing the issue (e.g., expand Display adapters for graphics issues). Right-click the device and select . Navigate to the Driver tab.
Type cmd in search, right-click and select . Type sfc /scannow and press Enter. Wait for the scan to complete and restart. 4. Fix Wdf01000.sys Errors Rename the problematic file (replace filename
Locate the problematic component (e.g., expand Network adapters for Wi-Fi issues). Right-click the device and select .
If you or your system builder enabled aggressive performance profiles out of the box, it could cause instability. Enter your BIOS menu during bootup.
What (like .sys) is shown on your blue screen? The "System Thread Exception Not Handled" error is
If you know exactly which .sys file is causing the crash (e.g., nvlddmkm.sys ), but you can't uninstall it normally: In Safe Mode, navigate to C:\Windows\System32\drivers . Locate the file and rename it to filename.sys.old .
Essentially, a component of your system, likely a driver, tried to do something it shouldn't have, and Windows crashed to prevent damage. This error is frequently associated with specific files like Wdf01000.sys , nvlddmkm.sys (Nvidia), or ntfs.sys , indicating a problem with the Windows Driver Foundation or graphics/storage drivers. What Causes the "New" System Thread Exception?
Type cmd in the search bar, right-click, and . Type sfc /scannow and press Enter. Let it finish. Follow up with: DISM /Online /Cleanup-Image /RestoreHealth . 5. Rename the Faulty Driver