How to Fix System Thread Exception Not Handled?

Fix thread Exception

Just imagine that you are working on some important stuff on your computer and suddenly BSOD (blue screen of death) comes in front of you with an error System thread exception not handled. Really frustration, right!

You don’t have to worry because you are not the only one with this dilemma; this is pretty common. In this article, we came with some outstanding solutions that will fix system thread exception not handled for you.

Most of the time, this error is caused by outdated video drivers or graphics card drivers if you have one installed on your PC. You can fix the issue by reinstalling the drivers or updating the drivers. There are two types of fixes available.

When you have access to the Windows

Sometimes System thread exception not handled comes on the boot screen, and you are unable to login to your windows. But if you can log in to your windows, then you can apply the following fix, and you will finally eradicate this error.

Method #1: Update/install video drivers manually

If you can log in to windows, go to Device Manager and open the video driver.

Device Manager
Device Manager

For that, you have to select the Video adaptors and then double click on the video driver. Following menu will open.

Driver Adapter
Driver Adapter

Now click on the Driver tab. Here you have to click on Update driver.

Update Driver
Update Driver

You can also uninstall and then install the new video drivers from the same menu if you have installed the new graphics card in your PC. This is the absolute method to fix System thread exception not handled.

Method #2

If you are facing any issue while opening the device manager, then you can do the process by a different method. In this method, you can uninstall the graphics driver just by typing the name. Follow the procedure, and you are good to go.

Press and hold the ⊞ Windows key and then press R key.

In the open dialogue box type devmgmt.msc and press enter. In the newly open window, right-click on the video driver and Uninstall the driver.

devmgmt Command
devmgmt Command

After successfully uninstalling the driver, you have to restart your computer. When you restart your computer, the machine will auto-install the latest driver.

Best Method

When you have successfully uninstalled the driver using method number 2, go to the official website of your graphics/video card manager and install the latest version of the driver compatible with your model of card.

For example, if you are using NvidiaGtx 1050ti, you have to go to the official website of Nvidia, and there you can find the latest version of the driver for your Gtx 1050ti. Install the driver and restart your PC, the System thread exception not handled error should have gone.

If after applying the above methods, still, the error has not gone yet for you then apply the methods below.

Reinstall the Sound Drivers

The possibility is very less, but audio drivers can also cause System thread exception not handled the error. The solution to that is to uninstall the sound drivers and reinstall them utterly.

This is precisely the same as reinstalling the video drivers. Go to the device manager. You can open the device manager by typing in the search box. In the device manager, right-click on the sound driver and uninstall it.

After uninstalling the sound driver, restart your machine. The driver will be installed automatically on the next windows boot.

If you can’t log in to your Windows

Well, this is more frustrating that are unable to login to windows to apply any fixes. But we have solutions for that circumstance also. Following are the fixes that you can apply if you are unable to log in to the windows.

1. Bootmenupolicy Legacy

To activate this, you have to put the following commands in the CMD. If you have access to the following menu after seeing the error, then you are good to go, but if you are unable to see the next list, then apply the following method to get that menu.

Turn off the Pc while you see the system thread exception not handled the error.

Now restart the Pc, and turn it off the same way you turned it off before.

Do this loop a couple of times, and you will finally see the recovery options menu on boot up.

Now click on Troubleshoot, then go to Advanced option and finally open the Command Prompt.

Here you have to type the following commands.

sfc /scannow /offbootdir=c:\ /offwindir=c:\windows

This command will search for the possible errors, but will not fix them. Then you have to enter the following command.

bcdedit /set {default} bootmenupolicy legacy

Now hit enter, and reboot your Pc. The error should have gone by now.

If not so, you have to log into windows in safe mode.

2. Boot into Safe mode

You have to boot into safe mode if you are unable to log into your windows and none of the above methods is working for you.

Boot in Safe Mode
Boot in Safe Mode

To enter into safe mode, reboot your Pc and press F8 again and again until you get into Advanced Boot Options.

Now you can enter into safe mode. After logging into windows, you can apply Method #1.

Go to the Device Manager and reinstall the video drivers.

Do the same for the audio drivers.

3. Scan the hard disk and fix System thread exception not handled

The corrupted files mostly cause BSOD, whether they are the windows files or the driver files. So you can scan and recover the corrupted files from solving this issue.

To do this, open the CMD as administrator if you can log in to the windows. But if you are unable to log in to the windows, then you can use the advanced boot options menu to get into CMD panel.

Enter the following commands to scan and fix the errors.

SFC / scannow

scannow Command
scannow Command

This will scan the errors and corrupted files, thus repair them with the backed up data.

Most of the time sfc command eliminate 90% of the errors.

4. A final and Most powerful solution

Restore your system. You can do so in both situations, whether you have access to the windows or not.

Go to the Reset menu.

Reset Computer
Reset Computer

Click on getting started.

Remove Everything
Remove Everything

Click on Remove everything, this will delete your software and data, but it is the best solution if nothing works for you. Now it will take some time, and you will get a new, clean window on your computer.

Frequently Asked Questions

This error specifies that when an error handler is not able to catch an error and the system thread generates an exception. The exceptions can vary and in most cases are caused by memory conflicts, IRQ conflicts, system incompatibility, and incompatible drivers.

Blue Screen of Death usually arises as a result of compatibility issues with the current setup of some application. This can happen randomly at occasions or maybe every time when the application is launched. Resolve it by downloading and installing the latest version of the app from software support website.

Well, on one hand the Blue Screen of Death cannot damage your hardware, but on the other hand when it will appear you will have to reboot your computer, reload the programs, and open the files you were previously working on. This will not damage anything except for the frustration all of this will cause.

The blue screen error usually occurs when a problem had caused your device to restart or shut down without any notice. Then the blue screen arrives with text of “your PC ran into a problem and needs to restart” with the error System Thread Exception Not Handled.

It varies from product to product and the severity of the error. If the Blur Screen of Death is caused by a hardware issue, then the fixing of the computer screen can cost almost $300. If it’s not a hardware issue but a malware issue, the cost will be somewhere around $100.

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