System Thread Exception Not Handled New !new! Jun 2026

Often, the BSOD screen will display a specific file name next to the error message. Identifying this file tells you exactly which hardware component is failing. Look for these common filenames on your error screen: : Linked to NVIDIA graphics card drivers. amdkmdag.sys : Linked to AMD graphics card drivers. igdkmd64.sys : Linked to Intel integrated graphics drivers.

If the error mentions Wdf01000.sys , this indicates a failure in the Windows Driver Foundation.

The "System Thread Exception Not Handled" error is highly treatable. By identifying the specific driver suffix (like .sys ) listed on the crash screen, you can target the correct hardware component right away. Start with safe mode, clean install your graphics and network drivers, run SFC and DISM repair scans, and turn off Fast Startup to eliminate the vast majority of software-related conflicts. If you are trying to fix this error right now, tell me:

If the error persists after trying these steps, you might need to to a point before the errors began. If you'd like, I can provide instructions for: Entering Safe Mode (if you cannot boot) Using Windows Recovery Environment to fix booting issues Updating BIOS/UEFI Let me know which of these would be most helpful! AI responses may include mistakes. Learn more SYSTEM THREAD EXCEPTION NOT HANDLED - repeat BSOD

In , right-click the faulty device and select Uninstall device . system thread exception not handled new

Navigate to the tab and click Roll Back Driver (if available). Restart your computer. How to Cleanly Reinstall Graphics Drivers

A new system requires seamless communication between the motherboard and the CPU. If you are using a newly released processor on an older motherboard chipset revision, a BIOS update is mandatory for system stability.

Because this error often prevents Windows from booting normally, you must enter Safe Mode to perform repairs.

Did this issue start after a , such as a Windows update, driver update, or installing new hardware? Often, the BSOD screen will display a specific

Since "new" relates to memory allocation:

This error occurs when a system thread generates an exception that the error handler fails to catch. It is most commonly associated with Windows 8, 10, and 11.

While the error code sounds generic, the root cause is almost overwhelmingly likely to be a .

Core Windows files may become damaged due to sudden power loss or malware. Software Incompatibility: amdkmdag

The error is a dreaded Blue Screen of Death (BSOD) in Windows 10 and 11. When it appears—often as a "new" problem after a Windows update or installing new hardware—it signifies that a system thread generated an exception that the error handler did not catch.

By understanding what causes the SYSTEM_THREAD_EXCEPTION_NOT_HANDLED error and methodically working through the solutions in this guide, you have the tools and knowledge to diagnose, resolve, and prevent one of Windows' most common crash scenarios.

Your computer will reboot into a blue diagnostic screen and test your RAM automatically.

The most prevalent cause of this exception is a kernel-mode driver attempting to perform an illegal operation. In modern contexts, this often involves: