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

Fix Cloudflare Error 521 on Apache Server

Cloudflare error 521 means your web server (Apache) is refusing the connection from Cloudflare's ...

Check 504 Gateway Timeout with Ping: Quick Diagnostic Steps

When you see a 504 Gateway Timeout error, it means a server upstream didn't respond in time. Ping...

Clear Microsoft Store Cache to Fix Loading Issues

If the Microsoft Store is stuck on a loading screen, won't download apps, or freezes when you try...

Fix Windows Security High Memory Usage (MsMpEng.exe)

You open Task Manager and see Windows Security (the process is MsMpEng.exe) using 500 MB or more ...

Fixing Microsoft Teams Rate Limit Error When Sending Messages

How to Set Up Windows Terminal with Custom DNS

If you're using Windows Terminal and want to use custom DNS servers (like Cloudflare's 1.1.1.1 or...