When you unplug your USB drive, the software leaves no trace on the host computer. It is the epitome of "run and gun" computing.
Ensure the remote computer has "VNC Server" installed and running. The "Viewer" is only for watching; the "Server" must be on the target machine.
Check your firewall settings. VNC typically uses port 5900 . Ensure this port is open on the remote network. If you'd like to set this up, let me know:
This is the most common use case. If you are a contractor visiting a client site, or a student in a university lab, you likely do not have the administrative privileges required to install new software. Since the portable version runs as an executable without an installer package, it usually bypasses these restrictions (provided the IT policy doesn't block unauthorized .exe files entirely).
The phrase represents freedom—the freedom to administer servers from any machine, help friends without leaving software behind, and retain full control over your remote workflow.