(Replace C: with your Windows drive letter). Then:
A very common variant of this error names a file like Netwtw08.sys or Netwtw10.sys , which are Intel Wi-Fi drivers.
To understand the fix, you must first understand the terminology.
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.
Windows will ask if you want to schedule the volume to be checked the next time the system restarts. Type and press Enter .
Disclaimer: This guide is based on common solutions for Windows 10 and 11, including common fixes as of early 2026.
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
If not available, select and restart the computer to allow Windows to re-detect it. 3. Locate and Rename the Faulty File
If software fixes do not resolve the issue, faulty hardware might be forcing the system threads to fail.
Because this error often prevents Windows from booting normally, you must enter Safe Mode to perform repairs.
If you recently updated a driver and the error started immediately, right-click the device in Device Manager, go to Properties , select the Driver tab, and click Roll Back Driver . 4. Repair System Files
Right-click your GPU and select . Choose "Search automatically."
If your screen just shows the stop code, look for these common driver filenames: : NVIDIA Graphics Driver amdkmdag.sys : AMD Graphics Driver igdkmd64.sys : Intel Graphics Driver rtwlane.sys : Realtek Wireless LAN Driver
