need a programme to view cameras remotely on laptop

[prop 0]

i have a nightowl system  the nightowl connect app for my laptop used to work fine but now i can only load 6 cameras out of 16. if i try to load all it freezes .the tech help guys are trying to tell me it has to do with windows updating or some bs like that. the same programme works fine on my other laptop.is there another programme i can get to view all? thanks for any help