Not installed for this user 2003

Tech-Archive recommends: Fix windows errors by optimizing your registry

Like the other thread I can't get VS2003 to launch. It says it is disabled.
My issue is I am trying to transfer my copy from an old computer to a new
one. With failure, I cannot even uninstall from the new computer. Does anyone
from MS actually read and assist in these groups or am I a victim of MS greed
and they won't let you upgrade hardware with out buying a completely new
copy, and how do I get rid of this one since add/remove fails?

Am I srewed when 2005 comes out in Novemeber because I have a bad install
now and can't get rig of the registry entries since add/remove fails?

Anyone know why MS doesn't want you to upgrade hardware, they make it clear
they don't by the level of difficulty in moving programs from the old
computer to the new.
.