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

WSL Ubuntu Network Configuration Checklist

If you're running Ubuntu under WSL and network connections are failing—slow DNS lookups, no inter...

Windows Defender Stuck Loading: Reinstall Steps

Windows Defender (now Microsoft Defender) sometimes hangs on a loading screen, especially after a...

Fix 502 Bad Gateway Nginx from Command Line

If you're seeing a 502 Bad Gateway error from Nginx, it usually means Nginx can'...

Fix Microsoft Store 'File Locked' Error When Installing or Updating Apps

When you try to install, update, or launch an app from the Microsoft Store, you might see an erro...

How to Fix '404 Not Found' File Path Errors in CMD

Fix Microsoft Teams Crashing on Windows 10

If Microsoft Teams keeps crashing on your Windows 10 PC, it's usually due to a corrupted cache, o...