Checklists for software errors, setup, and tool workflows.

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Fix VS Code Terminal Not Opening on Mac

You open VS Code, press Ctrl+` or click the Terminal panel, and nothing happens. The...

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

Windows Security App Not Opening: Practical Fixes

If the Windows Security app won't open—clicking the icon does nothing, or it crashes immediat...

Fix Windows Explorer Restarting After Crash

If Windows Explorer (explorer.exe) crashes and then keeps restarting, you may see the desktop fla...

Fix npm install Permission Denied on Windows 10

You run npm install on Windows 10 and see errors like Error: EPERM: operation ...

Fix 'fatal: refusing to merge unrelated histories' in Bitbucket
You're working with a Bitbucket repository and when you try to merge two branches, Git throws...