System Thread Exception Not Handled – 6 Ways To Fix It

As stated in the title, “System Thread Exception Not Handled” is a user’s stopgap solution to fixing a system thread exception. This article lists 6 possible threads, each with a different solution.

Whoops, that didn’t work. Can you help? I’m having a weird error where the System Thread Exception not handled message appears automatically. I can’t find any info online and I have no idea what it means. Can you help?

If your PC doesn’t boot after a OS update, there are several reasons why. When the kernel can’t load the Windows system, it will load the recovery mode. You can reboot your PC from this mode. Sometimes, the kernel simply has an error, and this is the case of the syserr-not-handled problem. This problem is the most frequent, as almost every computer can have this kernel error at least once in its lifetime.

If you are a frequent computer user, you may experience a variety of computer problems throughout the year. They may have an impact on your ability to work and waste your time.

You may feel guilty in front of your clients or bosses if you run your company or operate online. “SYSTEM THREAD EXCEPTION NOT HANDLED” is one of the most frequent problems that may occur on your computer. There are many causes for this error to occur. 

The problem “SYSTEM THREAD EXCEPTION NOT HANDLED” on your computer may be caused by a variety of factors. Still, the most common source of the problem is thought to be an out-of-date or incompatible driver.

BSOD is a multiple-drivers problem that may occur when a user makes a foolish mistake, and the computer’s AI may not notice the fault. As a result, the first step is to identify the driver that is causing your computer to malfunction.  

Following are the methods to resolve the threat “SYSTEM THREAD EXCEPTION NOT HANDLED” on Windows 10 after determining the underlying cause of the issue:

To restore your PC, use System Restore.

The first step in resolving the problem is to use System Restore to fix it. System restore is a one-of-a-kind capability that may be used to return Windows 10 to its previous state or default version. The places where you may execute System Restore or configure it to restore Windows 10 on a daily basis are shown below. 

1. The clock on the bottom of your screen’s start menu bar

2. Locate the Control panel and press the Enter key.

3. From the library, open the control panel.

4. Type “Recovery” into the control panel’s search box and press the enter key.

5. From the results, choose the recovery option.

Windows Restore

6. Select “Open System Restore” from the drop-down menu.

7. To proceed, press next and choose a restore point from the list that displays.

8. When you’re finished, click OK and Save Settings.

The methods outlined above will fix the “SYSTEM THREAD EXCEPTION NOT HANDLED” problem as well as the majority of other common errors that may harm your computer. You may follow the methods to troubleshoot any additional Windows 10 issues.

The Faulty Driver File Should Be Renamed

Renaming the incorrect file is another way to fix the issue “SYSTEM THREAD EXCEPTION NOT HANDLED.” The defective file is intended to be renamed. After you’ve completed all of the procedures, Windows will make a duplicate of the file and reinstall it. To execute the technique, follow these steps:

1. Go to the following location in your File Explorer:


2. Next, go through the list for the faulty driver.

3. Right-click it and hit the F2 shortcut key on your keyboard.

4. Replace the file’s extension with.old.

5. To save your changes, press the enter key.

6. Reboot your computer to let the modifications take effect.

Repair your system files using DISM and SFC.

Every Windows user has access to two strong tools at their disposal. You are meant to use these programs to detect any problems in your system, and they will instantly fix the problem for you. They may be used in a few easy steps, which are outlined below:

What Is FCS And How Do I Use It?

1. Look for the command prompt in the Start Menu.

2. Select “Run as administrator” from the command prompt option by right-clicking on it.

3. Execute the command below.


4. You must wait for a few moments, after which it will automatically detect and correct the mistake.

What Is The DISM Command Line And How Do I Use It? 

1. Log in as an administrator and open the command prompt.

2. Type in the command.


3. To execute the instruction, press the enter key.

4. Windows will scan the files automatically, and after they have been scanned, enter the command. 


5. Press the enter key, and Windows will immediately fix all of the issues.

Restore Computer Health


Entering Safe Mode

Booting your computer into Safe mode is the most frequent and efficient method to fix most computer problems. There are many actions that may be taken, some of which are listed below:

Safe Mode may be accessed via the settings menu.

1. Open Settings from the start menu by pressing Windows+I keys. 

2. Select the Update & Security from available options. 

3. On the left side panel, choose Recovery.

4. Select Restart from the Advance Startup menu.

Restart Windows 10

5. In a few seconds, your system will resume.

6. Visit Troubleshoot > Advanced options > Startup Settings > and click on the restart option

7. Your computer will reboot. To start your computer, use the F5 shortcut key on your keyboard.

8. Select the safe mode with networking option if it displays.

Start with a blank screen. 

1. For at least 10 seconds, press and hold the Power button on the CPU or laptop.

2. Press the power button to restart the computer.

3. If the manufacturer choice displays after startup, keep the Power button down for another 10 seconds.

4. Turn it on by hitting the power button once more.

5. Once you’ve completed all of the procedures, your computer will boot into the Window Recovery Environment. 

6. Repeat steps 6, 7, and 8 from the previous section.

Return to the Sign-in Screen 

1. You must press and hold the Shift key on your keyboard.

2. Press the power button and choose restart from the menu.

3. Follow the steps 6, 7, and 8 in the preceding choices.

Update or Rollback the Faulty Driver

One of the simplest ways to fix the issue is to roll back or update the damaged file that is causing your PC to display the message “SYSTEM THREAD EXCEPTION NOT HANDLED.” Follow the procedures below to roll back the file:

Update Drivers in Windows 10: A Step-by-Step Guide 

1. Press the Windows + R buttons together on your keyboard as a keyboard shortcut. 

2. Double-click devmgmt.msc to launch Device Manager.

3. Go to the linked device and double-tap to expand the options. 

4. Right-click on the defective driver and choose Update from the drop-down menu.

update hardware drivers on windows

5. Choose “Automatically Update Driver Software” from the drop-down menu. 

6. Now, Windows will automatically seek for and install any updates that are available. 

How To Rollback Windows 10 Drivers

1. From the Start menu, go to Device Manager and look for the driver.

2. Right-click on the driver that isn’t working.

3. Select Properties from the drop-down menu.

4. From the Drivers menu, choose the Rollback option.

5. Your windows will now automatically revert to the most recent version.

Find the driver who is in charge.

This issue is mostly caused by faulty drivers on the Windows operating system. You may accomplish this by looking through the Windows Event Viewer Log for the driver that is causing the problem.

Simply do the following steps:

1. To launch the RUN dialog box, press the Windows+ R keys together.

2. To launch Windows Event Viewer, type “eventvwr” into the command prompt and press enter.

3. Expand the Windows Log and choose System from the drop-down menu.

Windows Logs

4. Locate the system thread exception not handled log file and tap on it to locate the driver that is causing the issue.

This error is most often generated by the Display or Network Driver, both of which are infamous for causing BSOD. After you’ve identified the driver that’s causing the problem, you can simply update it using Device Manager.

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The System Thread Exception (STEX) error indicates that the Windows operating system has encountered a problem during the execution of a task (for example, a program or an operating system service). If your computer has encountered an STEX error, it is possible that the computer is not able to access some critical files or resources. A Windows computer with an STEX error may not be able to launch applications or may not be able to perform other basic functions.. Read more about how to fix system thread exception not handled windows 8 and let us know what you think.

Frequently Asked Questions

Is system thread exception not handled serious?

System thread exceptions are not handled serious.

What does System_thread_exception_not_handled mean?

This error is typically caused by a system thread being interrupted while executing.

How do I fix system thread exception not handled ETD?

This error is typically caused by a bug in the game. If you have tried all of the troubleshooting steps and still cannot fix this issue, please contact our support team at

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