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

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 Windows Security Memory Leak for Better Performance

If your PC feels sluggish and you notice high memory usage in Task Manager from 'Antimalware Serv...

Fix Microsoft Store Not Opening with wsreset Command

When the Microsoft Store refuses to open—either it crashes on launch, hangs on a blank screen, or...

Fix Windows Security Rate Limit Error: Can't Open App

You try to open Windows Security or a protected app, and instead you see an error message like "R...

Fix PowerShell Remote Connection Refused Error

PowerShell Cache Clear Troubleshooting Checklist

PowerShell caches various data—module locations, command metadata, and session state. When you in...