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Fix System Thread Exception Not Handled Error In Windows 10/11

Fix System Thread Exception Not Handled Error In Windows 10/11: Easy Guide!

As with any software, Windows 11 and Windows 10 devices are susceptible to error for a variety of reasons, including faulty system components, flaws, etc. Windows users may see the “system thread exception not handled” error code when unsuitable or obsolete drivers are available.

The difficulty with this problem occurs when the flaw is present in numerous drivers. Although the computer may not recognize it, you can use IObit Driver Booster to examine driver status.

However, this problem is typically more difficult to fix than other BSOD varieties. We have compiled the most effective methods for resolving this internal system issue after implementing a number of them and putting them to the test.

Solutions to Resolve the System Thread Exception Not Handled Error in Windows 11/10

Multiple strategies exist for resolving the system thread exception not handle the issue. Here are some tried-and-true approaches that you can also employ. For a better user experience, we’ve outlined each step in detail, so be sure to adhere to them.

Solution 1: Conduct a Comprehensive Hardware Memory Test

This exact problem might occur if the Windows 11 or Windows 10 system memory is faulty. On these devices, the Hardware Diagnostic Tool is available. When you notice the “BSOD thread exception not handled” error, it would be preferable to utilize this tool to inspect the condition of your system memory.

How do I accomplish this?

  1. Press the Start button on the Windows taskbar’s Start page.
  2. Type “Windows Memory Diagnostic” in the search box. Select the primary result.
  3. Follow the directions displayed on-screen. When the “Restart now and check for problems” option appears, select it. This will be time-consuming.
  4. After the procedure is complete, the PC system will restart.
  5. When the machine returns to the Home screen, step five is to hit the Windows and X keys to reach the Power Menu.
  6. Select “Event Viewer” from the available options.
  7. Under the next window, navigate through the Windows Log > System path. View the findings of memory diagnostics to determine the root cause of the “system thread exception not handled” error.

Solution 2: Safe mode startup

Running the system in Safe Mode before attempting to fix the BSOD thread exception not handled error is one of the most effective solutions. When launching the system in Safe Mode during the sign-in process, it is crucial to adhere to specified procedures.

How do I accomplish this?

  1. Click the Start button on the taskbar, then click the Power button.
  2. Press and hold the “Shift” key above the power button. Using the drop-down option, select Restart.
  3. On the following page, click Troubleshoot.
  4. Select Advanced Options
  5. In the following box, select Startup Repair > Restart. The computer will restart the boot process.
  6. Then, press the number four on the computer keyboard. Select the appropriate displayed menu choice. It will switch the operating system to Windows Safe Mode.

Solution 3: Identify the Driver Responsible for the Defect Using Troubleshooter

Knowing the root cause of this system issue will allow you to take the appropriate measures to resolve it. Here, Windows Log functions as a high-quality troubleshooting tool that efficiently identifies the faulty driver causing the issue.

How do I accomplish this?

  1. On the device’s keyboard, press the Win and R keys.
  2. Type “eventvwr” in the text field beneath the Run action’s dialogue box. Press Enter.
  3. Scroll and click on Windows Log, then expand the menu and select System.
  4. Conduct a search for the system thread exception not handled file.

Information on the problematic driver will be displayed.

For instance, the “SYSTEM THREAD EXCEPTION NOT HANDLED (wificlass.sys) error” shows that the Wireless driver-centric files are the source of the issue.

Solution 4: Restore System Files

Sometimes, Windows users store already-corrupted system files unwittingly. The existence of these can cause the “system thread exception not handled” error on a Windows 11 or Windows 10 computer. At this stage, it is best to carefully fix the damaged system files using the Command Prompt.

How do I accomplish this?

  1. Click the Windows Start button.
  2. Type “Command Prompt” or “cmd” into the text box, followed by a right-click on the first suitable result.
  3. Click the “Run as administrator” option in the next step.
  4. Add the following command when the Command Prompt dialogue box opens: exe/Online/Cleanup-Image/Scanh                                                                                                                                                               Press Enter.
  5. Then, add the following command:


Press the Enter button one more.

Solution 5: Remove/Update/Restore Drivers

Again, an outdated driver is the most frequent cause of the issue at hand. After identifying the driver causing the issue, you must now reinstall the correct driver or update the existing driver if it is obsolete.

The latter condition applies only when the driver has not received any upgrades for an extended period. Alternatively, if the driver has received a recent update, the correct course of action is to roll back the driver. If the driver is irreparably damaged, removing it will resolve the “system thread exception not handled” issue.

The individual steps for each are described in full here.

How do you uninstall faulty drivers?

How do you update the outdated drivers?

How do you roll back defective drivers?

  1. Utilize one of the two processes described in the preceding two steps to launch Device Manager. Find the correct driver there.
  2. Right-click the driver’s icon and pick the Properties option.
  3. Click Rollback Driver from the Driver tab.

The Windows software will restore your system to the most recent version of this driver.

Solution 6: Uninstall any Incompatible Applications.

Software that is incompatible with the PC’s operating system can cause severe performance issues with the operating system or device. Due to this issue, the BSOD thread exception not handled error may also occur.

It is difficult to determine which program is incompatible with the Windows 11/10 device. Typically, one of the most recent downloads on a user’s device causes incompatibility, and the results are readily apparent. Installing these applications should therefore succeed. If not, utilize options such as IObit Advanced SystemCare 15 to determine which applications are failing.

How do I accomplish this?

  1. On Windows 11/10, select the Start menu with the mouse.
  2. Select Settings > Click on Windows 10 Apps. Under Apps on some Windows 11 devices, select the Apps & Features option.
  3. It will display a list of numerous possibilities. Find and choose the most recently installed program.
  4. Click on the program, then click Uninstall.

Solution 7: Use SFC to Repair System Files

Using the Windows toolkit’s system tools that correspond to the issue at hand is a second option for resolving it. Together, DISM and SFC are useful tools that help resolve a variety of system difficulties. The steps for DISM are outlined in this article’s Method 4, thus implement DISM concurrently with SFC.

When utilizing this strategy, it is essential to create a specific system restore point. This is because DISM/SFC commands can modify some system files.

How do I accomplish this?

  1. Open the Start menu on your Windows device.
  2. Type “cmd” into the search field that displays. Press Enter.
  3. Right-click the Command Prompt option and select Run as administrator, as indicated among the available alternatives.
  4. When the next terminal appears, type “SFC/scannow” and press Enter.

Windows will analyse the command for several minutes and replace any available corrupted system files.

Solution 8: Completely Restore the System

If the techniques for correcting the mistake fail, you can restore the system’s full functionality. This can fix the issue and restore the system to its original state.

How do I accomplish this?

  1. Navigate to the Windows Start menu and enter “Settings” in the search box.
  2. Select “Updates & Security” and then tap “Recovery.”
  3. The Advanced Startup window will popup. Select the “Restart Now” option.
  4. Click System Restore from the available options.
  5. A window with a username and password prompt will appear. Enter your information and press Enter. Automatic system restoration will commence.


You can use these solutions to rescue your Windows 11/10 machine from the system thread exception fault. Follow the outlined steps to restart your system, fix any faulty components, and update your system’s drivers. Then, the performance of your computer will improve as the problem no longer appears.

Try these out on your device or seek professional assistance; after carefully weighing all of your alternatives, you will know the best course of action.

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