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

WireGuard Handshake Not Completing: Firewall Fixes

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

Fix Windows Update Service Stuck on Starting Repair

You restart your PC after a Windows Update failure, and the screen says 'Starting repair' — but i...

Fix Remote Desktop Group Policy Error on Startup

You try to connect to a remote desktop, but the session fails with a message about a Group Policy...

Windows Update Not Working on Ubuntu Dual Boot: Fixes

If Windows Update fails or hangs after setting up a dual boot with Ubuntu, the problem is often r...

Fix Microsoft Teams Access Denied Due to Admin Restrictions

You try to sign in to Microsoft Teams, but you see an "Access denied" message. This usually happe...

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