Fix system thread exception unhandled error in Windows 11

You may have started up your computer and the Windows 11 error System Thread Exception Unhandled appeared on the screen, along with a big sad face. Don’t worry, we’ve got your back!

Unfortunately, simply restarting your PC won't fix the error, but a better solution isn't that complicated. Often, faulty drivers installed on your machine are the source of blue screens.

Follow along as we show you how to fix the System Thread Exception Unhandled error in Windows 11, after we look at what might be causing it in more detail. Follow us!

What causes Windows 11 error System Thread Exception Unhandled?

We feel it’s important to understand what causes the System Thread Exception not Handled problem before we can try to fix it, so let’s get started.

On startup, Windows 11 will automatically detect and load all essential drivers installed on your machine. The driver may be incompatible with your iteration of Windows, or a bug may be introduced in it.

So a Blue Screen of Death (BSoD) will occur with the error SYSTEM_THREAD_EXCEPTION_NOT_HANDLED displayed on the screen.

Sometimes difficulties arise suddenly. One day your computer runs fine, but the next day it refuses to boot.

But, most of the time, these unexpected problems are caused by faulty Windows updates, outdated drivers, or even driver updates that tweak something else in your system.

Having said that, now we will continue with the troubleshooting process of Windows 11 error System Thread Exception Unhandled. Follow!

How to fix system thread exception unhandled error in Windows 11?

1. Boot into safe mode

1. Click the Start menu, and then click the Power icon.
2. Hold down the Shift key on your keyboard and select the Restart option.
3. After you are redirected to the screen below, you need to click on Troubleshoot and select Advanced options.
4. Next, click on Startup Repair and hit the Restart button.
5. After your computer restarts, press the 4 key on your keyboard to select the correct option from the menu that appears on the screen. After that, the machine will enter the safe mode environment.

2. Use third-party tools

Expert Tip: Some PC problems are difficult to solve, especially if the repository is corrupted or Windows files are missing. If you are having trouble fixing errors, your system may be partially corrupted. We recommend installing Restoro, a tool that can scan your machine and determine where the fault lies.
Click here to download and start repairing.

PC problems will inevitably arise, and fixing them isn't always easy. However, specialized tools like Restoro can help you solve these problems.

It can solve any problems caused by corrupted system files, malware infections or problems after Windows upgrade.

This is achieved by first identifying the source of the failure, then locating the exact element causing the difficulty, and then automatically replacing or correcting the file using its database of 25.000.000 files.

⇒Get Recovery

3. Reinstall the graphics driver

1. By right-clicking the Start icon and selecting the one with the name option, go to Device Manager.
2. Now expand the Display Adapters section and right-click on each option in it to select Uninstall Device as shown below.
3. Finally, you need to restart your computer to automatically reinstall the graphics driver. That’s all!

We cannot stress enough the importance of updating your drivers. Therefore, we recommend you DriverFix, a tool designed to automatically update and fix them for you.

4. Repair system files

1. First open the search box by clicking the magnifying glass icon on the taskbar and enter cmd. Right-click on the top result and select Run as administrator.
2. Now type or paste the following command in the CMD window and press Enter: <strong>sfc /scannow</strong>

5. Using Windows Restore Point

1. Press the magnifying glass icon in the taskbar to open the search box, and then search for Create a Restore Point. Click on the top result to open it.
2. Click the System Restore button.
3. Click Next and select a restore point to undo the latest changes to your computer. That’s all!

For more information about Windows system restore points, check out our article on how to create a Windows 11 restore point.

Alternatively, if you've made a mistake that you want to erase from the past, we have a tutorial on how to undo System Restore in Windows 11.

Finally, since we are discussing the same topic, we recommend you to read our post on How to Fix System Thread Exception Unhandled ntfs.sys in Windows 10 as it also contains the solution for Windows 11 plan.

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