watchdog.sys
Microsoft — Windows watchdog driver
When blamed in a crash: Often a victim, dig deeper
What to do
The watchdog that catches hung drivers — when it appears, it's reporting someone else's hang, usually the GPU driver.
- Clean-install your GPU vendor's driver.
- Check GPU temperatures and remove overclocks.
Got a crash dump? Get your verdict in seconds
Drop the .dmp file into our analyzer — it runs entirely in your browser. No upload, no size limit, no account.
Analyze my dump file →