I'm posting the message content here to alert others in case they're having the same issues: I brought this up earlier and wanted to provide an update.  I archived Supreme Commander on my XP laptop and attempted to transfer it to my Vista desktop.  This did not work because the download was OS specific.  A previous support email suggested I try archiving via right-click directly to the archive folder before installing.  I spent some time with Windows 7 beta and then unins...