I found out that the Microsoft Windows Media Plugin for Firefox causes the crashes and freezes with the mod and that's why the "illegal operation" messages appears.
Sometimes it doesnt crashs or freezes, but most times which is very annoying. I don't remember it happened with the vb 3.6 mod of radio & tv.
I can't tell you how to solve this, perhaps there's a new media player plugin for firefox out, let's see.
By the way, I can report two things related to this mod:
1) Last played option is always none

2) When I try to click on radiostation in profile, it says: openRadioAndTV is not defined
Did I miss something? :erm: