1. Server is installed in target computer(remote computer).
2. Client is installed in your computer to view remote screenshot.
3. Server is invisible after installed, it runs in background as a service, even if the computer reboots. But you can uninstall it from "Add/Remove Programs" in the "Control Panel", its name is "Scrvwsvr 2.1".
4. Please make sure configure Windows firewall allow server program pass through.