WhyCrashed

STOP 0x000000CE

DRIVER_UNLOADED_WITHOUT_CANCELLING_PENDING_OPERATIONS

A driver unloaded itself but left work pending — when Windows later touched that work, the driver was gone. Common with VPNs, virtual drives and security tools that load/unload drivers on the fly.

Likely causes, most common first

How to fix it

1. Check the unloaded-drivers list easy

  1. Look at the "unloaded drivers" section of the technical details — the culprit is usually there.
  2. Update or uninstall the software that owns that driver.

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 1Memory referenced
Parameter 20 = read, 1 = write
Parameter 3Address of the instruction
Parameter 4Reserved

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