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

Fix SQL Server Connection Refused Error in CMD

When you try to connect to SQL Server from the command line (using sqlcmd or another...

Fix Chrome Token Expired on Login Error

When you see a "token expired" message during login in Chrome, it usually means the authenticatio...

How to Reset Command Prompt in Ubuntu

If your Ubuntu terminal prompt looks wrong, shows odd characters, or displays incorrect info, you...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Nginx 502 Bad Gateway: A Practical Troubleshooting Guide

Seeing a 502 Bad Gateway from Nginx usually means the upstream server (like PHP-FPM, uWSGI, or a ...

Fix Command Prompt Memory Leak: Step-by-Step Guide

If Command Prompt (cmd.exe) consumes more memory over time, eventually slowing your system or cau...