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

Remote Desktop Not Working Over VPN: Practical Fixes

You’re connected to your company VPN, but Remote Desktop (RDP) won’t connect to the target machin...

Fix Chrome Auto Start with Profile Not Working on Mac

If you rely on Chrome opening automatically when you log in to your Mac—and with a specific profi...

Fix Windows Security Can't Connect to Server Error

When you see "Windows Security cannot connect to the server" while trying to sign in or access a ...

How to Fix 'npm command not found' on Mac

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

Remote Desktop 502 Bad Gateway: Server Overload Fixes

When you try to connect to a remote desktop and see a 502 Bad Gateway error, the...