I suspect the firewall is your problem. They recommend switching off firewalls and antivirus prior to installing.
You could install on a private computer then copy the ple over.
I bought the Afinia ES360 (same as Einscan-s) which came with a usb stick with the software so didn't need to register online.
This thread might also help ..... http://3dprintboard.com/showthread.p...sion-1-7/page2