System Thread Exception Not Handled: Top Ways to Fix This Error

If you use a Windows PC, encountering the system thread exception not handled error is common. It causes system crashes which can lead to data loss. In this guide, we will share what is SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED and how it can be fixed. Keep reading to find out:

About System Thread Exception Not Handled

The SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED is a BSOD error message that can occur followed by a faulty file name like nvlddmkm.sys, CMUDA.sys, atikmdag.sys, etc. The stop code is caused by various reasons like system incompatibility, IRQ conflicts, incompatible drivers, etc. However, you can follow some easy methods to fix this error.

How to Fix System Thread Exception Not Handled

Even though SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED is a critical error, it can be easily solved by implementing some methods. In the following section, we will share our best solution to get rid of this error:

Method 1: Check Error Log File

Checking error log files is an effective method. If you want to follow this solution, it’s important to take your Windows to safe mode. Let’s find out what you have to do:

Step 1: Boot into WinRE

Step 2: Once you enter into WinRE, navigate to Troubleshoot and find Advanced Options

Step 3: Next, click on the Startup Settings option and wait for a few seconds

Step 4: You have to press the F5 key to select Enable Safe Mode with Networking option and it will boot into safe mode

Enable Safe Mode with Networking

Once your computer boots into safe mode, check the system log to identify the driver or device that is causing the error. Here, you have to follow these steps to check the system log:

Step 1: Press the ‘Windows+R’ keys and type ‘eventvwr’ on the run box. Click OK to find the Event Viewer.

Step 2: Go to the Windows Logs option and select System.

Windows Logs

Step 3: Find the error and check the information.

Method 2: Update or Reinstall Drivers

The SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED error can be handled by updating, rolling back, and reinstalling the driver that is causing the issue. However, you have to boot your computer to safe mode. Let’s find out about the steps:

Step 1: Press the ‘Windows+X’ keys and select Device Manager.

Once the Device Manager option is opened, you can update, roll back, or reinstall drivers:

Update Drivers:

  • First, expand the directory and right-click on the driver which is causing the error. Then select Update Driver.
Update Driver
  • Once the pop-up window arrives, select the Search automatically for updated driver software option.

Roll Back Drivers:

  • Identify and right-click a driver from the directory and select Properties.
  • Next, skip to the Driver tab and click on the Roll Back Driver option.
Roll Back Driver
  • Choose a reason for the error and select OK.

Reinstall Drivers:

  • First, uninstall the driver that is causing the system thread exception not handled error.
  • Go to the device manufacturer’s website and find the driver. Follow all the instructions to reinstall it.

Method 3: Run Memory Diagnosis

Another great way to fix the SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED error is running memory diagnosis. It will detect and fix if there’s a memory problem. You have to follow these simple steps:

Step 1: Boot your computer to Safe Mode

Step 2: Press the ‘Windows+R’ keys and type ‘mdsched.exe’ in the run box.

Step 3: Once the Windows Memory Diagnostic pops up, select the ‘Restart now and check for problems’ option.

Step 4: Wait for a few minutes until your computer finishes the memory diagnosis process.

Step 5: Once the process is done, check the result in the Event Viewer.

Method 4: Update Firmware

Sometimes, updating Firmware can solve an issue. If the above-mentioned methods aren’t working, you can update Firmware by following some easy steps:

Step 1: Press the ‘Windows+R’ keys and enter ‘msconfig’ in the run box.

Step 2: Once the System Configuration is opened, skip to the Tools option.

Tools

Step 3: Next, highlight the ‘System Information’ option and click Launch. Remember BIOS Version/Date.

Step 4: Visit the manufacturer’s website and download the new version of BIOS.

Step 5: Plug in the USB with the new BIOS version and enter BIOS to update firmware.

Method 5: Repair System Files

In some cases, your computer can have the system thread exception not handled error because of corrupted files. The good part is you can repair them by running SFC and DISM programs. Let’s find out what you have to do:

Running SFC Program:

  • If you boot your computer into safe mode, enter ‘command prompt’ in the search box.
  • Once you find the Command Prompt, right-click on the icon and select Run as administrator.
  • Next, type ‘sfc /scannow’ and press Enter. Wait for a while until the process ends.

Running DISM Program:

  • First, open Command Prompt and run it as administrator.
  • Type these commands one by one:
  • exe /Online /Cleanup-image /Scanhealth
  • exe /Online /Cleanup-image /Restorehealth

Method 6: Reinstall Windows OS

If nothing’s working, you have to reinstall Windows OS to solve the SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED error. However, make sure you backup the data before implementing this solution. It’s better to get help from an expert while reinstalling Windows OS.

Conclusion

This system thread exception not handled error can be solved by applying some easy methods. If these methods aren’t working, seek help from an expert. Alternatively, you can contact the device manufacturer support team to resolve this issue.

FAQs

What are the main reasons for the system thread exception not handled error?

There can be various reasons for the system thread exception not handled error such as corrupted files, error log files, Windows OS issues, etc.

How to fix the SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED error?

You can fix the SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED error by implementing various methods like repairing system files, running memory diagnosis, updating drivers, and checking error log files.

Can SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED damage my computer?

The SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED error isn’t that much dangerous but it can crash your computer several times. It’s better to fix the error before it damages your computer.

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