LiveZilla in Windows7 VM

[MacFanUK]

Not sure if this is the best place to post this, but I am trying to set up LiveZilla Live Chat for my website and as it's Windows only, I am trying to set it up in a Parallels VM using Win7.

I am having problems in that the LiveZilla doesn't remember the server details and I've heard this could be a compatibility issue with Win7. Can anyone confirm this?

I am hesitant to downgrade to Vista/XP until I know it's definately a Win7 issue and therefore will work in Vista/XP.

Thanks