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

Windows Activation 502 Bad Gateway: Step-by-Step Fix

When you try to activate Windows and see a 502 Bad Gateway error, it usually means the activation...

How to Fix Microsoft Store High CPU Usage

If you notice your CPU running high after opening the Microsoft Store, you're not alone. The Stor...

MySQL Connection Refused on Port 3306: Causes and Fixes

If you're seeing "connection refused" when trying to connect to MySQL on port 3306, the MySQL ser...

Windows Security 404 Not Found: Setup and Fix Guide

When you open Windows Security (formerly Windows Defender) and see a blank page or a '404 Not Fou...

How to Restart Remote Desktop Service from Command Line

If you need to restart the Remote Desktop service on a Windows machine—perhaps because users can'...

Fix Yarn Install Network Timeout on Windows