Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you connect to a remote desktop and try to open or edit a file, you may see an error saying ...

When Windows Search returns a 502 Bad Gateway error, it usually means the search service or its d...

If you've opened Windows Security and found that your virus and threat protection settings aren't...

When Windows Update shows “cannot connect to update server,” you may see error codes like 0x80072...

You open Microsoft Store and see a message that your token has expired, or apps won’t sync purcha...

You open the Microsoft Store, try to download or update an app, and get error code 0x80073cf9. Th...