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

UFW Allow Port Not Working After Reboot: Fixes That Actually Work

You added a UFW rule to allow a port, it works fine until you reboot, then the port is blocked ag...

Fix Nginx 404 Not Found Caused by Missing Index File

If you see a 404 Not Found error in your Nginx server and the requested path seems correct, the p...

Fix Outlook Not Responding and Keeps Crashing

Outlook freezing or crashing repeatedly can stop your work. This guide covers common causes and s...

Fix Windows Activation Rate Limit Error 0xC004C003

If you see error 0xC004C003 when trying to activate Windows 10, it usually means you've exceeded ...

Setup PowerShell Remoting Step by Step

If you need to run PowerShell commands on a remote computer, you'll want to set up PowerShell rem...

Windows Update High CPU Usage Troubleshooting Checklist