Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you get a proxy error in Command Prompt—for example, when running curl, git...

Fix Windows Defender Permission Denied on Scan
If you see a 'Permission Denied' message when running a Windows Defender scan, it usually means t...

Windows Update Cleanup Stuck: Troubleshooting Checklist
You run Disk Cleanup, select Windows Update Cleanup, and it hangs for hours. Thi...

Fix Chrome Update Error 12: Permission Denied
When Chrome fails to update and shows error 12 with a 'permission denied' message, it usually mea...

Fix Chrome 502 Bad Gateway After Profile Reset
If you see a 502 Bad Gateway error in Chrome after resetting your browser profil...

Fix Windows Terminal Setup Blank Screen Issue
You've just installed or updated Windows Terminal, and when you launch it, you see nothing but a ...