Apps that installs VBA

[Max]

Installing AutoCAD 14, I get everytimes an error telling that VBA (visual 
basic for applications) cannot be installed (the messagebox tells a very very 
meaningful 'error 18' (sigh) and aborts VBA setup).
As I've seen that someone is working on visual basic apps (maybe Ann and Jason 
Edmeades ?), does someone have an idea of the solution ?

Regards

Max