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

Fix Windows Defender Firewall Blocking Internet Connection

If your internet stops working after a Windows update or firewall configuration change, Windows D...

Microsoft Teams Dependency Conflict Setup Guide

When setting up Microsoft Teams, you may encounter errors like 'dependency conflict' or 'version ...

How to Fix Windows Security Invalid Configuration Error

If you see a message that says "Invalid configuration" when opening Windows Security, the app usu...

Fix 'ffmpeg command not found' in PHP exec()