System Thread Exception Not Handled New Jun 2026

If the error persists, open the Administrator Command Prompt again and run the Deployment Image Servicing and Management tool: DISM /Online /Cleanup-Image /RestoreHealth Use code with caution.

Windows might have "tripped" over itself during an update, leading to corrupted system files. Use the built-in repair tools:

Did this error start happening after a or Windows update ?

The "System Thread Exception Not Handled" error is a common Blue Screen of Death (BSOD) that typically occurs when a system thread—a fundamental part of a process—runs into a problem it cannot resolve. This error often leads to frustrating boot loops and is most frequently caused by . Common Culprits system thread exception not handled new

If this error started happening recently after an update, a new hardware installation, or a driver change, this comprehensive guide will walk you through understanding why it happens and how to resolve it permanently.

Expand the category matching your culprit file (e.g., Display adapters for graphics issues). Right-click the component and choose .

: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (nvlddmkm.sys) If the error persists, open the Administrator Command

Often, the BSOD screen will list a specific file next to the error code. Identifying this file tells you exactly what to fix: NVIDIA Graphics driver. amdkmdag.sys: AMD Graphics driver. atidxx64.sys: ATI/AMD Graphics driver. Netwtw04.sys / Netwtw06.sys: Intel Wi-Fi driver. RtWlanu.sys: Realtek Wireless driver.

Type the following command to check your system image and press Enter: DISM.exe /Online /Cleanup-image /Restorehealth

A "system thread" is a process that runs in the background of your operating system, allowing Windows to communicate with your hardware. When a thread encounters an exception (an error) that it does not know how to handle, Windows halts everything to prevent data corruption, resulting in a BSOD. The "System Thread Exception Not Handled" error is

Wait for the scan to finish. If it reports finding and repairing corrupted files, restart your PC.

Indicates a fault in your Realtek or Intel wireless network drivers.

"System Thread Exception Not Handled" is a Windows Blue Screen of Death (BSOD) error indicating a system thread generated an exception that the error handler did not catch. It typically stems from faulty, outdated, or incompatible device drivers, corrupted system files, or hardware issues. This paper summarizes causes, diagnostic methods, and step-by-step remediation and prevention strategies.

In the Recovery Environment, select > Advanced Options > System Restore . Choose a date before the issues began and proceed. 6. Perform an In-Place Upgrade (Keep Data)

Unlike generic BSODs, the "new" variant points to recent changes. Here is the culprit list, ranked by probability: