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

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...

Clear BitLocker Cache Without Recovery Key

You may need to clear the BitLocker cache if you're troubleshooting unlock issues, changing PINs,...

Repair Windows Security Module Registry: Step-by-Step Guide

If Windows Security (formerly Windows Defender) won't open, shows errors like "This app has been ...

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

How to Clear DNS Cache in Windows 10 via Command Prompt

If you're seeing outdated website content, getting DNS errors, or websites won't load after chang...

Fix nvm not working in CMD or PowerShell on Windows