All,
I am having the same issue in a corporate environment with Windows PC's as well (Win7 Enterprise SP1 64bit).
It stays a long time on "gathering required information". After about 15 minutes, it suddenly crashes Explorer.exe, but the Installation window is still open. After another 10 minutes, it suddenly disappears. When I then start explorer.exe from task manager, all is installed well. However, this behaviour is not acceptable in a corporate environment, and also I doubt it will install properly using our deployment method (LANDesk 9.5).
Anyone has other ideas than disabling UAC? That's not an option in a company!
Thanks,