Home › Forums › SharewareOnSale Deals Discussion › Driver Booster 5 PRO / Mar 14 2018 › Reply To: Driver Booster 5 PRO / Mar 14 2018 Mar 15, 2018 at 7:36 am #10650342 Quote Bruce M. WeinsteinGuest When first launched it accepted my code, now it keeps requiring the code. Re-entering it gives me an error message that license is not valid. Thanks for any help.