I believe I have seen this issue with connection managers and VPN.
What is the version of the connection manager being used in your PC and what is the exact model and version of the VPN client?
Are they the same as what was being used on your XP device?
Since you have yet to reply to tmo_chrisl I am hoping it was resolved
I noticed the discussion and have a similar problem with my Rocket 2.0. Would you take a look at mine and see if you've seen something like it before?