Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're running Windows in a virtual machine on Ubuntu and getting update error 0x80070002, it ...

You try to open, move, or delete a file, and Windows tells you the file is locked by Windows Defe...

You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...

You type a file name into the Windows search box and nothing appears—or only old results show up....

When the standard online installer fails, the Microsoft Teams offline installer is a fallback. Bu...

If you're seeing a 502 Bad Gateway error when a Task Scheduler job runs, it usua...