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

Fix VSCode Remote SSH Permission Denied (Public Key)

When connecting to a remote server via VSCode's Remote SSH extension, you may see the error 'Perm...

Enable Windows Security Manually When It Fails to Start

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

Fix Windows Security Real-Time Protection Stuck

Windows Security’s real-time protection can get stuck in an “on” or “off” state, sometimes refusi...

How to Fix Remote Desktop DNS Errors

When you try to connect to a remote computer using Remote Desktop (RDP), you might see an error l...

MongoDB Authentication Failed: Causes and Fixes

You try to connect to MongoDB and get "Authentication failed" or similar error. This usually happ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...