I am attempting to install ICE.TCP Pro v5.1.09 client on a Sony Vaio laptop running Windows XP. While the installation of the software goes through just fine, I am having serious trouble trying to get Config Wizard to assign a sequence number. Once I am in the sequence number screen, enter the user name and some comments, I click "next", and nothing happens. Nothing at all. I can cancel, I can go back, but clicking "next" does not take me to the configuration selection screen. We have tried adding the user manually in the License Manager, but still cannot get the software to run (I get the "license not found, run Config Wizard" message). I do not get an error message on the sequence number screen, and the site still has 3 available licenses left to use, so I know they are not out of licenses. The server is running v5.0.38, but they currently have 3 XP machines running with v5.1.09 client already (not installed by me), and, despite my pleas, do not want to update the server side because of this. This obviously worked for my predecessor, can anyone tell me what am I doing wrong ?