The film The Window was just a take on 'the boy who cried wolf' not on the story that Rear Window was based on.
The key premise of Rear Window is (1) a house-bound guy who (2) 'believes' he may have seen a murder while watching his next door neighbor through binoculars and (3) involves his girlfriend and the police in proving it. So, Disturbia is simply an update and spin off of that.
I think many posters here are not fans of copyright protection and I think it goes too far as well. BUT, these filmmakers give no homage to Hitchcock or his film while doing a REMAKE. C'mon. I als