Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When Chrome shows "Profile service unavailable" and won't load your profile, it usually means the...

You see a message like "Profile version mismatch" in Chrome and your bookmarks, ...

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

When Windows Search indexing stops with error 0x80070005, it usually means the indexing service c...

You might need to reset Windows Defender (now Microsoft Defender Antivirus) to its default settin...

If Windows shows an activation warning or you are setting up a new PC, follow these steps to conf...