Post #14 explains why the USB trick works and also gives a registry fix so that the USB is not needed. ...

Charles - this thread is from 2010 and was last posted in over a year ago.
Did you also try the registry fix in post #14 above?

Kyle - I think he is refering to his original thread where he was...

There are quite a few Autocad clones out there, you pay you money and take your choice.

Cad64 has suggested these in a previous thread-

This is the starting link to Autodesk regarding the compatibility problem

http://forums.autodesk.com/t5/AutoCAD-LT/XP64bit-compatibility-problem/m-p/1593814

Reading it again it is as I thought,...

I know that 2002 has problems with 64 bit OS.

How? Because I recently had the same problem with 2002 on XP64 professional.
2002 would work initially but would not open some drawings or insert...