Quoted:
Maybe I'd better not do that.  I don't want to install anything new on this computer.
I thought that the roadblock was in the security settings, but it doesn't look like that.  This guy would definitely know if I installed something new that would compromise the security of his machine, and I looked at that site and didn't find an easy way to uninstall the download.  
e'2000, I don't doubt your answer, but I wonder if this is the only way.  I just would like to log in to chat without any BS.
Thanks.