Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you try to run wuauclt, UsoClient, or Install-Module PSWindo...

Fix Chrome Profile File Locked Error (Code 0x887A0006)
You try to open Chrome and get an error like "The profile appears to be in use by another...

How to Fix Task Scheduler Rate Limit Error
If you see a "rate limit" error in Task Scheduler, it usually means a task is trying to run too o...

Fix Windows Activation 502 Bad Gateway DNS Error
If you see a 502 Bad Gateway error during Windows activation, it usually means y...

Fix Windows Security Service Not Running Error
You open Windows Security and see a red banner: “Windows Security service is not running.” Or you...

Docker Restart Policy Not Working: Common Fixes
You set a restart policy on a Docker container, but it stops and stays stopped. This is a common ...