Home › Forums › SharewareOnSale Deals Discussion › Icecream Slideshow Maker PRO / Dec 9 2016 › Reply To: Icecream Slideshow Maker PRO / Dec 9 2016 Dec 12, 2016 at 7:37 pm #6503827 Quote WilsonGuest I copied this number: SOSM-ISMRI-121A1-G24M9-G22XP four times and it said it was invalid. What am I doing wrong?