Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see Error 429: Too Many Requests while using Command Prompt (cmd.exe) to call...

You open Chrome, try to sign in to sync your profile, and the spinner just keeps spinning. Or you...

You open Outlook and see an error like "Outlook module not found" or "Configuration module not fo...

If Windows Search shows a '404' error or simply returns no results, the search index is likely co...

When browsing on Firefox for Android, you may encounter a 'Secure Connection Failed' error. This ...

When you try to download a file in Chrome on Windows, you may see error code 0x80070005. This usu...