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

How to Fix SSH Permission Denied (Publickey) on Git Push

You try to push a commit and see: Permission denied (publickey). The push fails. Thi...

Fix Windows Terminal Profile Not Saving Ubuntu Settings

You set up a custom profile for Ubuntu in Windows Terminal, change the icon, font, or starting di...

Windows Terminal Setup Checklist for Developers

You've installed Windows Terminal, but the default setup isn't quite right for development. This ...

Windows Terminal Backup and Restore Guide for Beginners

If you've customized Windows Terminal with multiple profiles, color schemes, and key bindings, lo...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Fix Windows Security Connection Refused Service Not Running

If you see 'Connection refused' or 'Service not running' when opening Windows Security, the under...