[ubuntu] .ISO will no longer play with VLC or Movie Player

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http://ubuntuforums.org – Ubunteros, I upgraded to 12.04 and installed Devede. I then created .iso image that can be easily burned to DVD. When I try to play the .iso with VLC or Movie player the .iso will not play. I have gone through all my settings on DEVEDE and cannot find what is wrong. I even changed file types I'm working with and have same results. Research points to having mount the .iso but I do not believe this to be the case. Why? Because when I copied another .iso movie from another hard drive to the machine I'm performing this operation on it plays w/o issue. Thus leading me to believe that perha (Hardware)