After installing Mathematica 3.0, I like to clean up some program(not
3.0) in win95. Unfortunately, it cause win95 can not work properly.
I format the HD and restore win95. When I want to install Mathematica,
the password is invalid. MathID is changed. Please tell me what will
cause MathID change when the hardware or software being changed. what
should I do? If I want to format HD. (I plan to add cache memory and
update BIOS, maybe format HD again) thanks!