How to Resolve SYSTEM THREAD EXCEPTION NOT HANDLED on Windows 10

The “system_thread_exception_not_handled” error indicates that the system thread on your computer threw an exception for an error that was not handled by the handler. Because the error was not caught and handled, a blue screen appeared, forcing the computer to try to gather information about the error.

This stop code is often accompanied by the following numbers: 0x0000007E, 0x1000007E or, if you are lucky, it is accompanied by the name of the file which caused the error, e.g. atikmdag.sys, nvlddmkm.sys, igdkmd64.sys, etc. Unfortunately, when this error occurs, the computer almost always goes into a reboot cycle, where you have to use safe mode to fix the error.

What causes the SYSTEM THREAD NOT HANDLED EXCEPTION exception?

This problem is often caused by incompatible or corrupt drivers, corrupt system files, or bad sectors on the hard drive. There are several reasons for the BSoD “System stream exception not processed”. However, this error is often accompanied by a stop code or, if you are lucky, even the name of the file that caused the error, which makes troubleshooting easier.

How to clear the SYSTEM THREAD UNPROCESSED exception?

Boot into safe mode using the settings

  1. Click the Start button, then select Settings.
  2. Go to Update and Security, then click Restore.
  3. Under Advanced Startup, click Restart Now.
  4. After your computer restarts, the Select Options screen should appear.
  5. Here, go to Troubleshooting > Advanced Options > Boot Options. Then click Restart.
  6. When the computer restarts, press F5 to boot the computer into Safe Mode with Network Connection.

Updating the driver

  1. Press Windows + R and type devmgmt.MSC to open Device Manager.
  2. Navigate to the appropriate device and expand the menu. For example, if the error is caused by a graphics driver, you need to expand the Graphics Cards option.
  3. Right-click on the driver, and then select Update Driver.
  4. In the dialog box that opens, click Automatically check for driver software updates.
  5. Windows will then automatically search the Internet for the latest drivers and install them.

Back up drivers

  1. Open the Device Manager and navigate to the appropriate driver.
  2. Expand the menu and right-click on the driver.
  3. Click Properties.
  4. On the Driver tab, click Minimize Driver.
  5. Windows will automatically return to the last available driver version.

Using System Restore

  1. In the Start menu search bar, type Control Panel and click Open.
  2. In the Control Panel search bar, type Restore and open it from the results.
  3. Click Open System Restore.
  4. Click Next and select a restore point from the list.
  5. Click Finish.

Performing the SFC

  1. Type cmd in the Start menu search bar, right-click Command Prompt and run it as an administrator.
  2. In the console, type sfc /scannow.
  3. Be patient, as Windows needs time to scan and replace corrupt system files.

Utilizing DISM

  1. Run at the command prompt as an administrator
  2. In the console, type DISM /Online /Cleanup-Image /ScanHealth and press Enter.
  3. Wait for Windows to finish scanning. Then type DISM /Online /Cleanup-Image /RestoreHealth.
  4. Windows will fix any problems found during the scan.

Frequently Asked Questions

  1. Boot into safe mode.
  2. Determine which driver is responsible.
  3. Cancel or update the driver.
  4. Rename the faulty file.
  5. Use SFC and DISM to restore system files.
  6. Use system recovery to restore the computer.

  1. Check the latest changes made to your computer.
  2. Check for Windows updates and drivers.
  3. Perform a system restore.
  4. Check for malware.
  5. Test your hardware.
  6. Run an SFC scan.

SYSTEM THREAD EXCEPTION NOT HANDLED is an error that appears on the blue screen of death (BSOD) when threads of processes running critical Windows services malfunction. An outdated, corrupt, or incompatible driver can cause this blue screen to appear on your system.

Sometimes the System Thread Exception Not Handled error is caused by memory corruption. To solve this problem, you need to enter Windows or safe mode to check the RAM. If the result shows that it is correct, you should check if the memory bank is properly inserted.

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