Some of you have been using Monster Hunter 3rd in order to run VHBL. It has occurred to me that the instructions on the VHBL download page are specific to the other versions of the Monster Hunter series, and do not apply to Monster hunter 3rd. Neur0n has published an explanation on his twitter account.
This might be useful for those of you who got Monster Hunter 3rd either in Japan, or on the HK store which seems to ship the Japanese version of the game. Here is the process (roughly translated from Japanese, please keep in mind that I do not own the game):