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

Fix PowerShell Offline Installer Dependency Failures

When installing PowerShell on an air-gapped or offline system, the installer often fails because ...

Fix PuTTY Connection Refused After Server Restart

You restart your server, open PuTTY, and see "Connection refused". This is a com...

Fix Microsoft Teams DNS Error 0xcaa20002

When launching Microsoft Teams, you may encounter error code 0xcaa20002, typically accompanied by...

MongoDB Compass Connection Refused Due to Firewall: Fixes

You open MongoDB Compass, enter your connection string, and get connect ECONNREFUSED...

Windows Update High CPU Usage Troubleshooting Checklist