System Thread Exception Not Handled New May 2026

Here’s a focused guide to troubleshooting the "SYSTEM_THREAD_EXCEPTION_NOT_HANDLED" Blue Screen error, specifically when it mentions "new" (e.g., What failed: new or a driver containing "new").

If you see a specific .sys filename (common examples)

• nvlddmkm.sys / atikmdag.sys → GPU driver. Reinstall GPU driver; use DDU in Safe Mode to clean first.
• igdkmd64.sys → Intel graphics driver. Update or roll back Intel driver.
• ntfs.sys / storahci.sys → Storage driver or SATA/AHCI controller. Update chipset/storage drivers; check BIOS SATA mode.

Quick guide: "SYSTEM_THREAD_EXCEPTION_NOT_HANDLED" (Windows)

Step 5: Run System File Checker (SFC) & DISM

Corrupt Windows files can trigger the error. system thread exception not handled new

Open Command Prompt as Administrator and run: nvlddmkm

sfc /scannow

Then:

DISM /Online /Cleanup-Image /RestoreHealth

Restart after completion.

4. When All Else Fails

• System Restore : Go back to a point before the error started.
• Reset this PC : Keep files but reinstall Windows.
• Clean install Windows : If hardware tests pass, a corrupted OS driver stack may be the issue.