Home › Forums › SharewareOnSale Deals Discussion › IObit Driver Booster 4 PRO / Dec 20 2016 › Reply To: IObit Driver Booster 4 PRO / Dec 20 2016 Dec 20, 2016 at 2:31 am #6567910 Quote JasonGuest Failed to install. Error message says SETUP PATH NOT EXISTS: C:\…..APPDATA…..IOBIT DRIVER BOOSTER4.PRO.EXE Please advise urgently how to install. Thanks to Ashraf