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When you boot up your Windows 10 operating system, you may encounter an unwelcome blue screen displaying the message “System Thread Exception Not Handled.” This is a frequent error that can manifest either during system startup or when attempting to reboot.
In this blog, we shall discuss some troubleshooting methods to fix this common Windows error.
Reasons for the “system exception” error
Before starting with the solutions, let us understand some of the reasons for this error.
- The driver is not compatible with the Windows version
- Driver malware issues
- Outdated or incompatible driver
- System memory issues
There are various manual methods available to easily rectify this error.
This is ideally the initial hit and trial method to fix the issue. You can boot the PC in Safe mode in different ways depending on whether you can sign in to your system or not.
- Boot into Safe Mode from Settings
- Go to Settings from the Start button.
- Select Update & Security; click on Recovery.
- Under Advanced startup, select Restart now.
- The Choose an option screen will appear. Select Troubleshoot>Advanced options>Startup Settings. Click on Restart.
- Once the system reboots, press F5 to boot the system in Safe Mode with Networking.
- Go to Settings from the Start button.
- Boot into Safe Mode with Restart
- Hold the shift key and power button. Then select Restart.
- Once your PC restarts, the Choose an option screen will appear.
- Select Troubleshoot>Advanced options>Startup Settings. Click on Restart.
- Once the system reboots, press F5 to boot the system in Safe Mode with Networking.
- Boot into Safe Mode without Sign-in
- Hold the power button for some time (10 seconds) to switch the PC off.
- Press the power button again.
- Once the system starts, there will be a manufacturer’s logo; press the power button again for 10 seconds.
- Start the system from the power button.
- If this is done correctly, the system will boot into Windows Recovery Entertainment.
- The Choose an option screen will appear.
- Select Troubleshoot>Advanced options>Startup Settings. Click on Restart.
- Once the system reboots, press F5 to boot the system in Safe Mode with Networking.
- Update Drivers
- Click Windows key + R and type devmgmt.msc. Hit Enter.
- Expand Display adapters.
- Right-click on the installed driver and click on Update driver.
- Click on the automatic drive searching option.
- It will search for the latest drivers to install them if not installed.
- Click Windows key + R and type devmgmt.msc. Hit Enter.
- Roll Back Drivers
- On Device Manager, right-click on the driver and select Properties.
- Under the Driver tab, select Roll Back Driver.
- The windows will roll back to the earlier driver version.
- On Device Manager, right-click on the driver and select Properties.
- Uninstall Drivers
- On Device Manager, expand Display Adapters.
- Select Uninstall device from the right-click menu.
- Check Delete the driver software for this device and then click on Uninstall.
- How to run DISM
- Open Command Prompt as Administrator
- Type DISM/Online/Cleanup-image/ScanHealth; press Enter.
- Once the scanning is over by the Windows, type DISM/Online/Cleanup-image/RestoreHealth.
- Windows will fix all the issues while scanning.
- Open Command Prompt as Administrator
- How to run SFC
- Use Command Prompt as an administrator.
- Enter sfc/scannow.
- This will take time, while Windows will repair all the corrupt files.
The Windows System Restore feature can be helpful in fixing many issues.
- In Control Panel search for Recovery.
- Click Open System Restore.
- Select a restore point. Click on Next.
- Click on Finish.
- Press Windows key + R and type eventvwr.
- Select the Windows Logs menu, expand it and select Settings.
- Search for the thread, system_Thread_exception_not_handled. Click on the issue to find out the faulty driver.
- Open File Explorer and select C drive.
- Search for the faulty driver.
- Press F2.
- Replace the filename with .old.
- Press Enter and restart the system.
Summary
The methods described above represent typical approaches for resolving the Windows 10 error known as “System thread exception not handled.” These techniques can also serve as diagnostic tools for addressing various other common blue screen errors in the Windows 10 operating system. Initiate the troubleshooting process by employing the initial method and performing a system restart. If this initial step fails to resolve the issue, proceed to the subsequent solutions. In the event that data loss occurs as a result of this error, consider utilizing Kernel for Windows Data Recovery as a potential solution. It helps you fix system file corruption and recover lost, deleted, or missing data from inaccessible Windows drives and partitions. But if you face data loss due to this error, you can try Kernel for Windows Data Recovery. It helps you recover the lost, deleted, or missing data from inaccessible Windows drives and partitions.