Windows is one of the most widely used operating systems in the world! It provides its users with several features, and it has a user-friendly interface. Thus, the Windows operating system is loaded with numerous software and processes.

You might encounter an error in either of this software and processes, which might keep you from using your Windows PC.

System Thread Exception Not Handled is one error faced by several Windows 10 or 8 users. Thus, here we are with all the information about this error and the detailed methods which you can use to fix this error.

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What is System Thread Exception Not Handled Error?

The System Thread Exception Not Handled error appears on a Blue Screen of Death (BSOD), indicating that a system thread generated an exception that the error handler could not detect.

This error is mostly faced by Windows 8, 8.1, and 10 users. This error occurs 10 to 15 seconds after the system boots, while some of the systems get this error immediately after the system boots. Then, the system reboots and gets stuck in a loop, making it impossible for the users to use it.

There could be several reasons why this error occurs on your Windows PC. Some of the most common reasons include driver malfunction, corrupted or incompatible drivers, memory conflicts, outdated drivers, overclocked software, etc.

How to Fix System Thread Exception Not Handled Error?

Execute the methods listed below to fix the System Thread Exception Not Handled error on your Windows PC.

Method 1: Check Display Drivers.

Step 1- Boot your PC into Safe Mode.

To boot Windows PC into safe mode, turn your system on and force it to shut down by pressing the power button. Then, turn it in and check if the system is in repair/advanced mode.

Now that you are in Repair mode click on Troubleshoot >> Advanced options >> Command Prompt. A black command prompt window will appear on your screen. Type the command and press Enter.

BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY

Then, type Exit, press, Enter and click on Continue. Restart your system and press the F8 key before the Windows logo appears. This will launch the Advanced Boot Options menu. Here, highlight Safe Mode with Networking and press Enter. You will now be running your Windows in Safe Mode.

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Step 2: Uninstall Display Drivers

Press the Windows key and R key simultaneously. In the Run dialog, type ‘devmgmt.msc‘ and hit Enter.

This will launch the Device Manager on your PC. Here, double click on Display adapters to expand it. You will notice that your graphic card is installed. Right-click on it and choose Uninstall.

Then, click on the ‘Delete the driver software for this device‘ option and click on OK. Restart your system normally. After restarting, video drivers will get installed automatically.

Method 2: Rename the Faulty Driver

Suppose you notice a file name such as atikmdag.sys, nvlddmkm.sys, next to System Thread Exception Not Handled, you can rename the driver so that Windows cannot find it. Thus, it will be forced to fetch a new copy of the affected driver file.

Step 1- Launch the Command Prompt on your PC. Then, type the commands listed below and press Enter after each.

c:

dir

If the results of the dir command show a folder named “Windows” then it is the target drive. If not, type d: and press Enter.

Step 2- Type the commands listed below and press Enter after each command.

cd windows\system32\drivers

ren drivername.sys driver name.old

In the above command, replace the driver’s name with the name of the fault driver. The examples have been listed above.

Restart your PC, and the driver will be deleted installed automatically. The newly installed driver will eliminate the System Thread Exception Not Handled error on your Windows PC.

Step 3- If the driver is not installed automatically, press the Windows key and R to launch Run. Type ‘devmgmt.msc‘ in the text box and hit Enter.

The uninstalled device driver will have a yellow exclamation mark. Right-click on it and click on the ‘Update Driver Software‘ option.

Step 4- Click on the ‘Search automatically for Updated Driver Software‘ option. Windows will search for the driver online and install it once found.

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Frequently Asked Questions: FAQ

Some Frequently Asked Questions include:

Q1. How to fix System Thread Exception Not Handled error on Windows PC?

You can use several methods to fix the System Thread Exception Not Handled error on your Windows PC. Some of the most useful methods have been listed above.

Q2. Can the Blue Screen of Death be fixed?

Yes, you can fix the Blue Screen of Death by updating the drivers causing this error or from the safe mode. You can refer to the methods listed above for the steps which you need to execute.

Conclusion:

This is all you need to know about the System Thread Exception Not Handled error and the methods which you can use to fix it on your Windows PC. The steps involved in each of these methods are easy to understand and execute. If you know of any better method to fix the System Thread Exception Not Handled error on Windows, then please let us know about it in the comments section below.