This is the only thing that is preventing me from using Windows 7 RC1 7232 x64.
Even after removing it from the system, it hangs on xpand.dpm. Only way around it is to trash pref's, and then reload, but thats a pain in the arse when you have loads of plugins.
I am however extremely shocked at how well Vista SP2 x64 runs PTMP8! I have compared the CPU difference between this and 32-bit XP, and there is just 1%.
It's great for me because i now have access to all 8gb of RAM within the OS, i have DX10 for extra gaming features, and an OS that doesnt look like it was from the stone age. This is all coming from someone who hated Vista with a passion less that a week ago.
