I like to use VMWare or Parallels to run my Boot Camp partition. But I have experience some problems with running Parallels and VMWare with that message that tell me that I need to reactivate Windows. I also had to reactivate Norton Antivirus after the "major hardware change." I installed Parallels second, but I think the fault is with VMWare. I never had problems with activation when I started with Parallels first. So now I'm asking, if I uninstall VMWare, will there be a "major hardware change" again? Because I have reactivated my copy of windows countless times, and the guy at norton told me not to reactivate Norton again, because I won't be able to. thanks for the help P.S. The reason why I chose Parallels over VMWare, is the fact that VMWare is very.... not good. Haha. You can play games with better graphics, but the graphics don't work. They randomly switch between random graphics. I found that parallels is better with the games that it can play. Trickster online for example. VMware can't play that because all the graphics keep shuffling around, and it's annoying.