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

How to Set Up Windows Defender Network Protection for Enterprise

Network Protection in Windows Defender helps block outbound connections to malicious IPs and doma...

Fix Microsoft Teams Connection Refused Due to Firewall Settings

When Microsoft Teams shows a 'connection refused' error, it usually means a firewall or proxy is ...

Chrome Offline Installer: Pre-Install Checklist

If you've downloaded Chrome's offline installer—perhaps to install on multiple machines or a syst...

WireGuard Handshake Not Completing: Firewall Fixes

You set up WireGuard, but the handshake never completes. Both peers show no handshake time, and y...

Fix Microsoft Teams Audio Not Working on Mac

You join a meeting in Microsoft Teams on your Mac, but no one can hear you, or you can't hear the...

Fix Windows Terminal Permission Denied File Locked Error