Check your webcam and ensure it's functionable otherwise get a new webcam) ****If the problem persist, it's your webcam's problem. ***If it's not showing, refer to Setting Zone Trigger The image captured by your webcam should be shown on your screen.
If not, refer to Z one Trigger Installation You need to buy the software to enable full use of 'A Stroll' installer. * Please note by using the trial version, the limit is 15 days and 3 hot spots max.