Solution: Worker Thread Returned with Non-Default Workload Class Error

The BSOD error titled WORKER_THREAD_RETURNED_WITH_NON_DEFAULT_WORKLOAD_CLASS carries the error code 0x000001D6 and is categorized as a developer-related issue.

This error is relatively rare, but if you do encounter it, this guide will provide effective solutions to resolve the problem.

How to Resolve Worker Thread Returned With Non Default Workload Class?

1. Keep Windows and Drivers Updated

1. Launch the Start Menu and click on Settings.
   

   

2. Navigate to Windows Update and click on Check for updates.
   

   

3. Windows will automatically download any available updates.
4. After the installation completes, verify whether the error is resolved.

Additionally, it’s crucial to ensure your drivers are updated, which can be accomplished by downloading the latest versions from your hardware manufacturer’s website.

2. Boot into Safe Mode

1. Open the Start Menu and click on the Power button.
2. Hold down the Shift key while selecting Restart.
   

   

3. When your PC restarts, select Troubleshoot.
   

   

4. Click on Advanced options, then select Startup Settings, and press the restart button.
   

   

5. After your computer restarts, hit F5 to enable Safe Mode with Networking.
   

   

6. In Safe Mode, check to see if the error persists.

If the error does not occur in Safe Mode, it’s likely that a third-party application or driver is contributing to the issue.

3. Uninstall Recent Programs or Drivers

1. Press Windows + X and select Installed apps.
   

   

2. Identify any recently installed or updated applications.
3. Click the three dots next to them and select Uninstall.
   

   

4. Follow the prompts to finalize the uninstallation process.

If you still encounter the error, you should also consider removing any recently updated drivers by following these steps:

1. Press Windows + X and select Device Manager.
   

   

2. Find any recently updated device drivers. Right-click on them and select Uninstall device.
   

   

3. If the option is available, check Remove driver software for this device>, then click on Uninstall.
4. Restart your computer.

After the restart, check if the issue continues to exist.

4. Conduct a Clean Boot

1. Press Windows + R and enter msconfig.
   

   

2. In the Services tab, check the box for Hide all Microsoft services and then click on Disable all.
   

   

3. Then, click Apply and OK, but do not restart your computer just yet.
4. Open Task Manager by pressing Ctrl + Shift + Esc.
5. In the Startup tab, disable all startup items.
   

   

6. Now, reboot your computer.

After restarting, check to see if the error reoccurs. If it does not, enable the services and applications incrementally until you identify the source of the problem.

5. Execute a System Restore

1. Press Windows + R and type rstrui.
   

   

2. Select a restore point and click Next.
   

   

3. Follow the screen prompts to complete the restoration process.

If all else fails, it may be necessary to investigate your hardware or perform a factory reset of Windows 11.

Resolving the WORKER_THREAD_RETURNED_WITH_NON_DEFAULT_WORKLOAD_CLASS error can be challenging, but we hope our proposed solutions assist you.