Especially everywhere when you go from a dark room, cave, etc. The least you could do is to make as many copies of the offical UBCD and pass it to your friends, relatives, colleagues or even complete strangers to minimize NB88 IFC. Rename it and give it a new extension (e.
Called the number on the manual in Calcutta in India and had a totally wasted time with a person who clearly had not got the concept of customer care.