I have factory reset my Uniden BCD436HP and used the Sentinel software to add favorites. I even uninstalled and reinstalled the Sentinel software to see if there was an issue with it. The scanner will not scan any digital frequencies. I made sure the systems I want to scan are on. It was working fine until I tried to add more favorites, then it just stopped picking up anything that isn't conventional (which no one uses anymore). I made sure the firmware and database are current and up to date. I've had the scanner about a month and I'm really not very happy. It is almost like they want to make these so hardy to program you have to pay them to do it! Any help would be appreciated.