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

Chrome Port Already Allocated: Troubleshooting Checklist

When Chrome displays a 'port already allocated' error, it means another process is using the port...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Security Authentication Failed in Remote Desktop

When you try to connect to a remote PC and see "Windows Security" followed by "Authentication fai...

Fix Windows Security 504 Gateway Timeout from Antivirus Conflict

If you see a 504 gateway timeout error when accessing websites or services, and you have both Win...