Even according to the Amazon reviewer known only as, “Jimmy”:

Worked like a charm, but as soon as I opened it it had an above averagely odd smell. I mean, most DVDs smell weird. But THIS one. Woah. They should really put a warning on this thing.

Coordination Group Publications, Ltd. (UK) seems to have an issue with their MathsTutor: GCSE Maths Tutorials DVD-ROM, Higher Level DVD…

Jimmy might also want to try the English tutorial after making up a word like, “averagely.”