Ihave just loaded AutoCAD 2000LT on a computer with Windows 7 OS. When the program opens a message appears saying the regestry was not updated and to use Regedit to correct the problem. Can anyone assist on how this s done?

LOL!
you gotta talk to this guy! http://www.cadforum.cz/forum_en/forum_posts.asp?TID=3166&PID=8434#8434
 
Maybe the two of you could help each other?