Knowledge base for software setup, errors, and daily tool work.

How to Stop Windows Explorer from Restarting

If Windows Explorer (explorer.exe) keeps restarting—your taskbar disappears and reappears, or you...

How to Fix Git Merge Conflict Permission Denied Errors

Fix Nginx 502 Bad Gateway with Docker Environment Variables

If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...

How to Recover from a Detached HEAD in Git After a Rebase

You're in the middle of a rebase, you see a message like 'detached HEAD', and you'...

How to Reset Windows Defender Real-Time Protection

Windows Defender real-time protection can sometimes get stuck, fail to turn on, or stop respondin...

Fix Windows Cannot Access Shared Folder HomeGroup

When you see "Windows cannot access \\ComputerName\SharedFolder" while trying to open a H...