Some Windows users especially the Windows 10 users can`t use their computer after Windows start and stuck in many times of restarting of system threat exception not handle blue screen error. Some of them may also have this BSOD system thread exception not handled immediately in a few seconds after entering the OS.

System thread exception not handled is the bug that can check message often with names like atikmdag.sys, nvlddmkm.sys, nwifi.sys, etc. that imply the incorrect files. This blue screen error is mainly the results of outdated, incompatible or correctly configured drivers. Besides, a recently installed program can also be the reason of this error. Here we will talk about how to fix system threat exception not handle on Windows, and we will take Windows 10 for an example.


Method1: Uninstall the Recently Installed Program

If you can enter Windows 10 after the SYSTEM THREAD EXCEPTION NOT HANDLED blue screen, go and uninstall the program you’ve recently installed. If you are not sure which program or services or startup causes the blue screen, you can perform a clean boot to find out the troublemaker.


Method 2: Check and Repair uncorrect System Files

Corrupted system files can also result in System_thread_exception_not_handled blue screen error and many other issues like that, such as DRIVER_IRQL_NOT_LESS_OR_EQUAL error, 0x0000003B System_Service_Exception error, Windows 10 INACCESSIBLE_BOOT_DEVICE error, etc. You can use CHKDSK command lines to verify and repair those faulty system files:

1. Use Windows shortcut keys Win + X to launch the Jump List, and then select Command Prompt (Admin).

2. Type into the command line CHKDSK C: /F /R and hit the key Enter.

3. Follow the instruction on screen. Windows 10 will restart and find corrupted files in system. Just wait for a while until it finishes the work.



Method3: Use SFC Command Line

This way is similar to the one in Solution 2, but a scanning over Windows 10 is necessary to solve the system thread exception not handled error.


1. Launch Command Prompt (Admin) in Windows 10.

2. Type SFC /scannow in to the dialog box and hit the key Enter.

3. Windows will execute the command. Once there’re errors, it will fix it automatically. When it finishes the work, restart you computer.



Method 4: Enter Safe Mode

If your computer is stuck in the blue screen and fails to access to Windows 10, or if it keeps rebooting over and over again, try the following:

Note: if the system fails to load configuration for a long time, Windows RE (Recovery Environment) will appear on the screen, it means you can enter the safe mode.


When there’s no Recovery screen, try the 2 choices blow.

Choice 1: Start your computer and after several seconds, press and hold the power button to shut down. Repeat this over 3 times until you see the Recovery screen.

Choice 2: Start the PC, and then hold the Shift key and hit F8 frequently.



Follow the steps blow to enter safe mode and repair driver problems.

1. On the Recovery screen, click on the button See advanced repair options. And then select Troubleshoot, Advanced options, Windows Startup Settings and Restart in order. Press F4/F5 to Enter Safe Mode (with Networking).



2. Learn about which driver may cause the SYSTEM THREAD EXCEPTION NOT HANDLED error according to what you see on the blue screen. For example, atikmdag.sys means AMD Display graphics driver.


3. Go to Device Manager and uninstall the problematic driver. And then reinstall it in an appropriate version.