Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When OneDrive shows error 0x8004de40 with the message “Sync service unavailable,” it usually mean...

If Windows Search keeps crashing on your PC, you may see error messages, the search box becomes u...

When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...

When Chrome displays a profile error on Windows 10, you typically see a message that your profile...

When PowerShell fails to connect to a proxy server, you might see errors like Unable to con...

Fix Windows Security Login Loop and Sync Issues
You sign in to Windows, see the security settings sync message, and then get kicked back to the l...