How To Fix System Thread Exception Not Handled BSOD

Last updated on February 9th, 2024 at 12:43 pm

BSOD (Blue Screen of Death) errors caused by System Thread Exception not Handled or SYSTEM_THREAD_EXCEPTION_NOT_HANDLED indicate a faulty driver issue and internal system crash. Usually, this issue occurs when something goes wrong with the System process, especially the device drivers. To fix this BSOD problem, you can try updating the drivers. However, in case this issue is still not fixed, we suggest you try the methods given below.

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What Is System Thread Exception Not Handled Error?

Is it possible to fix a system thread exception not handling an error? This is actually a BSOD error message. There are usually two stop codes associated with the system thread exception not handled error: 0x0000007E or 0x1000007E.

These errors indicate that the error handler did not handle an exception generated by a system thread. There are a variety of exceptions mine was Nvlddmkm.sys. These are the most commonly associated file names with this BSOD error.

Atikmdag.sys
Nvlddmkm.sys
Dxgmms2.sys
Ntfs.sys
Bcmwl63a.sys
CMUDA.sys

There are many reasons why stop code SYSTEM_ THREAD_EXCEPTION_NOT_HANDLED occurs, such as incompatible drivers, browser conflicts, memory conflicts, and IRQ conflicts. Here are some solutions to the system thread exception not handled error.

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Fix: System Thread Exception Not Handled BSOD Windows 11

So, here are some troubleshooting methods that have the potential to resolve the System_Thread_Exception_Not_Handled error on Windows 11:

Fix 1: Rename Faulty Files

When updating drivers does not resolve the SYSTEM THREAD EXCEPTION NOT HANDLED error, try renaming the affected file. To do this, follow these steps:

To open Windows File Explorer, double-click the This PC icon.
In the path C:/Windows/System32/drivers, you’ll find all driver files.
You must find the driver that is causing the BSOD stop code. You can rename it just by right-clicking it and choosing Rename.
Please add the extension .old to the file name.
To proceed, click Yes when prompted to grant administrative permission.

Fix 2: Run a Windows Memory Diagnostic

Modern versions of Windows OS, such as Windows 11, Windows 10, and Windows 7, include a free RAM testing tool. If the memory of your computer is not working correctly, you may lose information, or your computer may stop working altogether. Here are the steps to check the RAM for problems:

Initially, in the Start menu, type Windows Memory Diagnostic in the search box and click Run as administrator.
Please click on the link Restart now and check for problems (recommended).

Fix 3: Boot Into Safe Mode

Windows 11 BSODs like System thread exception not handled can be fixed by using this technique in Safe Mode.

To open Settings, press Win + I.
Go to the left side of the screen and select System.
Then click on Recovery.
Afterward, select Restart Now from the Advanced Startup menu.
As soon as your PC reboots, a number of options will appear.
Click Troubleshoot.
Select Advanced options.
Click on Startup Settings.
Now, select Enable Safe Mode.
Then click Restart.
For Safe Mode, press F5 after your computer reboots.

Fix 4: Repair Your System Files

SFC Scan is the only way to resolve the Windows 11 BSOD error “System thread exception not handled”. For this, follow these steps:

Go to the Start menu.
Open the command prompt using Run as an administrator.
In the CMD window, type or paste the following command: sfc /scannow
After rebooting your computer, run the following commands in order:

DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth

Fix 5: Find the Faulty Driver

You can use the Event Viewer to determine which driver is faulty since the issue almost certainly results from a faulty driver. To do this, follow these steps.

Using your keyboard, select the Event Viewer context menu after pressing Windows + X.
From the left-hand panel, select Windows Logs, then System. In the middle portion, all events are now accompanied by timestamps.
If you find a “system thread exception not handled” item in your logs, click on it to know which driver is causing the problem.

Fix 6: Use a Windows Restore Point

There may have been a restore point stored in your System before you encountered the blue screen error. In that case, you can restore your System to its original state. By doing this, you can travel back in time before the system error occurred; this could fix the issue.

Go to the Start menu.
You need to search for Create a restore point and open it.
To restore your System, click System Restore.
To continue, click the Next button.
To undo recent computer changes, choose the restore point and hit the Next button. Then, follow the on-screen instructions to the system restore.

Fix 7: Update the Driver

Here are the steps you can follow for updating or reinstalling the drivers on your Windows PC.

At first, select Device Manager from the Windows Start menu by right-clicking it.
Locate the faulty driver. For most drivers, you’ll need to expand the parent option. When facing a graphics driver issue, click the arrowhead next to the Display Adapter.
To update the driver, right-click the driver and select Update Driver.
In the new dialog box, click Search automatically for updated driver software.

Fix 8: Reinstall The Driver

Finally, if none of the mentioned methods works for you to resolve the SYSTEM THREAD EXCEPTION NOT HANDLED error on your Windows 11 PC, then you must try reinstalling the driver on your device. To do so:

Start the Run program by pressing Win+I.
To open Device Manager, type devmgmt.msc and press Enter.
You can right-click on the device by expanding the relevant device category.
Click on Uninstall device > Uninstall.
From the menu bar, select View > Show Hidden Devices.
In the device category, you should also uninstall all greyed-out devices.
After that, right-click the computer and choose Scan for hardware changes to reinstall the driver. There may be times when you need to restart your computer as well.

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So, that’s all we have for you about the troubleshooting steps to fix the SYSTEM THREAD EXCEPTION NOT HANDLED error on your Windows 11 PC. It’s our hope that this guide has helped you. In case you still face this system thread, comment below and let us know.

How To Fix System Thread Exception Not Handled BSOD

What Is System Thread Exception Not Handled Error?