STOP 0x000000E1
WORKER_THREAD_RETURNED_AT_BAD_IRQL
A driver's background work item finished while the system was still in a raised state — a driver bug.
Likely causes, most common first
- A buggy driver
How to fix it
1. Update the identified driver easy
- Update the named driver from its vendor, or remove the software it belongs to.
The four parameters on the blue screen
Windows shows four hex numbers with this stop code. Here's what each means — our analyzer decodes them automatically from your dump file.
| Parameter 1 | Address of the worker routine |
| Parameter 2 | The IRQL it left behind |
| Parameter 3 | The work item |
| Parameter 4 | Reserved |
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