Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Defender won't start or you see warnings that it's turned off, the underlying service ...

You see the update progress bar hit 100%, but it never finishes. The app stays on that screen or ...

If your Command Prompt backup script has stopped running or never worked, the issue is usually on...

If you search for files or emails in Windows and get no results or see an error that the indexing...

When migrating Windows Search data—for example, moving the search index or user profile to a new ...

If the Microsoft Store won't load, apps fail to download, or updates get stuck, a corrupted cache...