This extension used to work fine for me on youtube but no longer does , it goes through the motions saying its downloading but the resulting file is a 0 bytes , rather than megabytes , ive tried downloading each files size 1080p 720p etc but the result is the same , at first i thought you done this so people would by the pro version but of course thats clearly not the case as no one would buy something is not working , so im not sure what the problem is i may reinstall it just to see if that works , im hoping youtube have caught on and blocking it somehow anyway thanks in advance

William