How to Fix System Thread Exception Not Handled Error?

You have a Windows computer, right? If the inner you said Yes, then you can count yourself into that odd group of 75 percent of the global computer users. They all use this operating system, which is unarguably the most popular Operating System by far. However, we will have to inform you that it is one of the most vulnerable OS that you would have ever used, although it is getting better update after the update. But even then, the notorious Blue Screen of Death encounters the users occasionally. In this post, we shall discuss how to tackle one of such errors. You have figured it out accurately as we will discuss the System Thread Exception Not Handled Error. But before we begin with the methods to tackle it, we will know to grab a few chunks of knowledge about this error. So, let’s begin.

What is System Thread Exception Not Handled Error?

The System Thread Exception Not Handled Error is a BSOD. If you have come across the term BSOD for the first time, do not worry. It is just an acronym for Blue Screen of Death. People usually view this BSOD as a notorious thing but in reality, it is not. The reason why we say that is because this BSOD informs the Operating System that a certain malfunction has occurred and the system freezes immediately.

So, we can easily say that BSOD saves the OS from bigger damage. Out of several BSOD errors, this error is one of the most common ones and it mainly occurs due to a driver malfunction. We shall look at the reasons in detail in the next section of this post.

Reasons Behind System Thread Exception Not Handled Error

Let’s assume that you have just started with the Blue Screen of Death. So, to keep things simple, we shall tell you that the System Thread Exception Not Handled Error occurs when one of the driver’s malfunctions. That is, it is a driver-based error and in the fixes, you would notice this as well. However, this is not the only reason why such an error can greet you at times.

There are other reasons as well, such as a malicious program into the system, a crucial system file deletion, or even a change of some system setting. But you need not panic as well will provide you with the most effective solutions regarding the error in this post.

Important Note: Use all the Methods in Safe Mode

You must use all the methods to fix this error in safe mode. It will keep the system safe. Here is how to boot the system in Safe Mode:

  1. Open Run by clicking the Windows logo key +R.
  2. Type ‘MSConfig” and then click on OK.
  3. Go to the Boot tab and under Boot options, clear the Safe boot checkbox.
  4. Restart the system and while it boots, hold the F4 key. If you want internet as well, hold the F5 key instead.

To exit the Safe Mode, a simple Restart is sufficient.

How to Fix System Thread Exception Not Handled Error?

As we have mentioned, we shall share with you some of the most effective methods to fix the System Thread Exception Not Handled error. Here they are:

1. Update/Uninstall the Graphics Driver

This error mostly occurs when there is a malfunction of the graphics or the display driver. If you already know which driver is causing the error, you can choose the method, but if you don’t, start with the Graphics driver. To fix the issue you must set out to either update the graphics driver with its latest version or to uninstall it completely. Here are the steps that you can follow to do it.

  1. Go to the Search bar and type “Device Manager”. Hit Enter.
  2. In the search results, click on Device Manager.
  3. The list of devices installed on your system will show up. Select Graphics Driver (hold by left click or a simple right-click).
  4. A pop-up will appear. Click on Update Driver.
  5. We recommend going for the automatic update first and if Windows fails to find a suitable driver, then use the manual update.

After the update is successful, you can check for the System Thread Exception Not Handled Error, after a reboot of your system. If the issue persists, you can try uninstalling the Graphics driver altogether. Here are the steps you must follow:

  1. Go to the Search bar and type “Device Manager”. Press Enter key.
  2. In the search results, click on Device Manager.
  3. The list of devices installed on your system will show up. Select Graphics Driver.
  4. A pop-up will appear. Click on Uninstall Driver.

After the uninstall, you must not worry about how will the device work without the driver. It is because, when you will restart the system, Windows will automatically install the required driver. But the Graphics driver may be working perfectly fine. So, you need to look for the Display Driver about which we have discussed in the next method.

2. Update the Display Driver

If you know that the Error is due to the display Driver, you can fix it using the following steps:

  1. Go to the Search bar and type “Device Manager”. Hit Enter.
  2. In the search results, click on Device Manager.
  3. The list of devices installed on your system will show up. Select the Display driver.
  4. From the pop-up, click on Update Driver.
  5. We recommend going for the automatic update first and then using the manual update.
  6. Restart the system after the drivers are updated successfully.

You will see that your issue of System Thread Exception Not Handled is fixed. However, if it persists, then there is an issue with the update of the driver and you have to wait for the developers to fix it. But does that mean you cannot use the system at all? No. We shall use other methods and they are given below.

3. Restore the Drivers to a Previous Version

If you have recently updated the drivers of your devices and after that update, you have got the System Thread Exception Not Handled error, it is time to restore the drivers to a previous version. It is as easy as updating the drivers. But for your convenience, here are the detailed steps:

  1. In the search bar, type device manager and click on Go.
  2. Open Device Manager from the search results. Click on the driver you have recently updated.
  3. Select Properties and then under the driver’s tab, click on Rollback Driver.
  4. Click on OK.

You will see that the error has vanished from your system if it was due to a faulty update of drivers. What if the error was due to faulty system files? We have discussed how to repair them in the next method.

4. Repair the System Files

Here is how to repair the system files, if you suspect that the issue is due to corrupted system files. Follow the steps:

  1. Open Run by Windows + R. You may also search for it from the search bar.
  2. Type cmd and hit Enter to open the Command Prompt.
  3. Make sure you have Administrator access to the Command Window.
  4. Now, type “SFC/scannow” and hit Enter.
  5. Now you can wait for a few minutes because the System Files Checker will scan every system file, and if there will be an issue, it will also repair them.
  6. Once the files are repaired or the scan is complete, it will show the required message.

Reboot your system before you start to use it again. But if you do not want to wait for a long time then what you must do? Read the next method to fix the error.

5. Perform System Restore

This is highly beneficial when you have an urgent use of your system and you know that there was a previous setting under which the system was working fine. To perform a System Restore, follow these steps:

  1. Search for Control Panel and then go to Recovery.
  2. Click on System Restore and select a restore point from the list.
  3. Click on Finish.

Please note that it is completely reversible and you can revert the changes easily using this method.

Also Read: How to Fix WS-37337-3 Error?

Conclusion

This was all about the System Thread Exception Not Handled Error which is notorious to disrupt the functioning of a normal system. We hope that you have fixed the issue successfully using these methods. If you face any issues regarding any of the methods, feel free to tell us using the comments section. If you want us to provide more details on any particular method, let us know as well.

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