Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Chrome refuses to start on Ubuntu—clicking the icon does nothing, or you see a brief splash sc...

You're trying to run Windows Update and you get a 502 Bad Gateway error. The update check fails, ...

If you're seeing a warning that Windows Defender is turned off, or you can't access its settings,...

You've enabled OneDrive Files On-Demand, but files that should be available offline remain as pla...

You open Command Prompt, run a command like ipconfig /flushdns or del /f /s /q...

Windows Defender on Mac: A Troubleshooting Guide
If you're running Windows Defender on a Mac via virtualization or Boot Camp, you may run into iss...