Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you type a file name into the Windows Search box and nothing shows up, or results are missing ...

If Edge is crashing, running slowly, or not syncing correctly, start with this checklist. It cove...

You’ve encrypted your drive with BitLocker, but the recovery key isn’t showing up in your Microso...

If you see a 'rate limit error' in Windows Defender and it's not working properly—scanning fails,...

When you see Windows Update error 0x800f081f, it usually means a system file is missing or corrup...

When you see event ID 4625 in the Windows Security log, it means an account failed to log on. Thi...