The blog of Windows Wally, a Windows Support Technician helping common people solve frustrating computer problems.



How To Fix The “ WORKER_THREAD_RETURNED_AT_BAD_IRQL ” Error

Reader Question:
“Hi Wally, I have a big problem!! My computer isn’t working anymore. It crashes everytime with this error on the screen ” Worker_Thread_Returned_At_Bad_Irql ”. Please help.“ - Nancy H., USA

Before addressing any computer issue, I always recommend scanning and repairing any underlying problems affecting your PC health and performance:

  • Step 1 : Download PC Repair & Optimizer Tool (WinThruster for Win7, XP, Vista – Microsoft Gold Certified).
  • Step 2 : Click “Start Scan” to find Windows registry issues that could be causing PC problems.
  • Step 3 : Click “Repair All” to fix all issues.

Setting up weekly (or daily) automatic scans will help prevent system problems and keep your PC running fast and trouble-free.

Wally’s Answer: Blue screen errors can take you by surprise and appear out of nowhere. Errors like the Worker_Thread_Returned_At_Bad_Irql error can be fixed by following some simple steps. Here we will be explaining some of them.

Problem

The Worker_Thread_Returned_At_Bad_Irql or STOP 0x000000E1 error appears and the computer restarts.

Worker_Thread_Returned_at_Bad_IRQL - Cover - BSoD -- Windows Wally

Cause

The Worker_Thread_Returned_At_Bad_Irql error is caused by

Solution

Here are some ways to solve the Worker_Thread_Returned_At_Bad_Irql error:

Check For Outdated Drivers

You can do this by using the Windows Device Manager.

  1. Press the Windows Key > type device manager > click Device Manager
    WORKER_THREAD_RETURNED_AT_BAD_IRQL - Device Manager - Mice and other pointing devices - Windows 8 -- Windows Wally
  2. Click the triangular Arrows on the left side of any category to expand it.
  3. Right-click a driver and click Update Driver Software.. to attempt to update it.
    WORKER_THREAD_RETURNED_AT_BAD_IRQL - Device Manager - Update Driver Software... -- Windows Wally
  4. You can repeat these steps for all important drivers to to make sure that they’re updated.

You can also use third-party software like DriverDoc to make sure you get driver update notifications. This is a much faster way to find driver updates as well.

Antivirus Software

Try to keep only one antivirus software running at a time. Sometimes, they can have resource sharing conflicts with each other and cause blue screen errors like this.

Refresh Windows 8

If you’re using Windows 8 then you can perform a complete Refresh of your Windows 8 installation. You can also Reset the installation if things get too out of control.

Is Your PC Healthy?

I always recommend to my readers to regularly use a trusted registry cleaner and optimizer such as WinThruster or CCleaner. Many problems that you encounter can be attributed to a corrupt and bloated registry.

Happy Computing! :)

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About the Author

Windows Wally is a helpful guy. It’s just in his nature. It’s why he started a blog in the first place. He heard over and over how hard it was to find simple, plain-English solutions to Windows troubleshooting problems on the Internet. Enter: Windows Wally. Ask away, and he will answer.