I upgraded to Adobe Creative Suite 2 here at work last week. Pretty flawless install other than the fact that I had upgraded from Adobe Creative Suite Premium, and the install of CS2 made Adobe Acrobat 7.0 Professional “forget” its serial number. Not sure if this is a widespread problem, or not. To fix the problem, I am removing the existing install from my system, and reinstalling Acorbat off of the CS2 disks…