Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You see a 504 Gateway Timeout error when checking for Windows Updates. This usua...

You attempt to activate Windows and see an error message: “Permission denied” or “Access denied.”...

You open Windows Security and see a message like "Path not found" or the app fails to launch. Thi...

You click "Check for updates," the progress bar barely moves, or it stays at 0% for minutes. This...

You open Command Prompt, type a command, and get access is denied or permissio...

Fix Node Version Mismatch Error ERR_INVALID_ARG_TYPE
You see ERR_INVALID_ARG_TYPE after a Node.js update or when switching projects. This...