In this case, the System Thread Exception Not Handled error seems to be due to the incompatible or old graphics card drivers on the computer. In order to fix this issue, the computer must be restarted in safe mode.
1. Right-click Start menu and choose “Event Viewer”.
2. Expand “Windows Logs” > “System” on the left pane.
3. Find “system thread exception not handled” or “system_thread_exception_not_handled” in the middle pane and click it to see the problematic driver.
Here are six easy steps to fix this Windows 10 error. THREAD “UNMANAGED SYSTEM EXCEPTION” is a common Windows 10 error that mostly occurs due to outdated or exclusive incompatible drivers. What is generally harder to fix than other good BSODs is that the problem can very well be caused by multiple drivers and sometimes your main computer won’t recognize them all.
The “Unhandled System Link” problem indicates that a system thread on your machine has thrown some sort of error exception that was probably missed by the handler. A blue-green screen of death occurred, the inability to see the error and fix it, forcing the person to try to gather information next to the error. 2.
One of the most common causes of the Stop Code System_Thread_Exception_Not_Handled error is a corrupted information file system. You can check the exact drives to fix the issue. Follow the CHKDSK command line to repair corrupted system files. Step 1: Press Windows + R keys to access the most important list. Step 2: Select “Command Prompt” when displayed as administrator.
If you see a filename like atikmdag.sys, nvlddmkm.sys etc trapped next to SYSTEM THREAD EXCEPTION NOT HANDLED we can rename the culprit driver to something that matches your current windows not found, so it was designed to get a fresh copy of the driver file. Take control of the steps shown in the solution.
What does System_thread_exception_not_handled mean?
What is SYSTEM_THREAD_EXCEPTION_NOT_HANDLED? The SYSTEM_THREAD_EXCEPTION_NOT_HANDLED error occurs when a system thread generates various messages that the error handler cannot catch. Because this error went unnoticed, your computer raised a few red flags and decided to lock itself out to prevent more serious damage.
What does System_Thread_Exception_Not_Handled mean?
The System_Thread_Exception_Not_Handled stop code is considered a Windows 10 issue that mostly occurs during startup. Whenever a System_Thread_Exception_Not_Handled error occurs, your computer shuts down and even freezes with a purple screen. Depending on your system configuration, your device may restart on its own.
What is System_thread_exception_not_handled?
What is SYSTEM_THREAD_EXCEPTION_NOT_HANDLED? The SYSTEM_THREAD_EXCEPTION_NOT_HANDLED error occurs when the thread system throws an exception that the sig drejer error cannot catch. Because this error went unnoticed, your computer gave warning signals and decided to shut down to avoid further damage.
What causes System_thread_exception_not_handled?
The most common cause of the SYSTEM_THREAD_EXCEPTION_NOT_HANDLED error can be a driver error. In most cases, laptops without drivers cannot send and process data correctly.

I’m a writer for uscfr.com. In my opinion, technology should make our lives easier, not more complicated. That’s why I enjoy breaking down complex topics and explaining them in a way that everyone can understand. In my free time, I can be found tinkering with new devices or coding up new apps.