I'm running wamp on both xp and vista and never had any problem w/ it. Did you edit any config file? For some apps, it depends on what domain you setup while installing it. If using domain name instead localhost, even fake domain, it might requires internet in order to retrieve domain information
Have fun,
FREE One A DayFREE PhotoFREE GamesFREE WebsitesFREE Portable GPSFREE WAMP Guides