Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you or a user sees a “permission denied” or “access denied” error in Microsoft Teams—whether w...

When you try to share your screen in Microsoft Teams and nothing happens—or participants see a bl...

When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...

When you click the Microsoft Store icon and nothing happens—or it flashes and closes—it's usually...

If you see "Microsoft Store failed to start" with a "Permission denied"<...

Nginx 502 Bad Gateway: Troubleshooting Checklist
If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...