Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open Microsoft Store, try to download an app, and see a 502 Bad Gateway erro...

If you see a "404 Not Found" error when using Windows Search from the Command Prompt, it usually ...

If you're seeing a '404 not found' or 'permission denied' error when trying to access or manage B...

When you see Windows Update error 0x8024402c, it usually means the update service can't reach Mic...

If you see error 0x80070490 when using Windows Search, it usually means a system component is mis...

If Windows fails to activate and you see error codes like 0x8007232B, 0xC004F074, or “Windows can...