Here is a description of your problem:

If you edit an MATERIAL COLOR FUNCTION or a BUMP FUNCTION, the program crashes, when you double click on the Function preview (1) or if you click on "store" (2)

Here is the second part of the error message:

The same with BUMP FUNCTION:

Here is the complete error message - I have put it together with a graphics program:
My Hardware configuration:
Athlon 600, 128 MB RAM, Voodoo 3 3000.
It seems that this Bug appears on several computers with different configurations.

I'll send a copy of the Forum page to the Vue tech support.

Bye
Michael