Never been so happy rolling back to a previous version opera developer (v.40.xx) Version 41.xx was a total mess/disaster for me. Visting reddit, press back button on my mouse.... about:blank or 90% of the time advertising looping hell.

Play the movie:
https://theconversation.com/the-great-movie-scenes-hitchcocks-vertigo-63320

Plays fine here. you sure you got h264 codec installed?

opera://gpu/ log:
http://pastebin.com/Cxeam15z

opera://media-internals/ log:
http://pastebin.com/yX18MzJV

http://i.imgur.com/mV6Vo5S.jpg