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

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Microsoft Teams Firewall Blocking Connection: Step-by-Step

If Microsoft Teams won't connect, shows 'connection error', or keeps reconnecting, a firewall is ...

Microsoft Teams High CPU Usage: A Practical Checklist

If Microsoft Teams is consuming a lot of CPU, you might notice your laptop fan running constantly...

Fix Remote Desktop Gateway Server Unavailable Error Code 500

When you try to connect to a remote desktop through a Remote Desktop Gateway (RD Gateway) and see...

Fix Windows Terminal Token Expired Error: Step-by-Step

You're working in Windows Terminal and suddenly see a 'token expired' or 'authentication token ex...

PowerShell Authentication Failed: Practical Fixes

You try to run a PowerShell command and get an authentication failed error. The message might say...