IF you ask for help with any of your friend when any video file is not opening then most of them will reply...."Have you Tried VLC"
And while searching anything on internet most of the user prefers "Google"
I think it will be great idea to Support VLC by giving feed back and writing the problem you face while using VLC, so that it can correct the errors and can make all video file playable.
What about asking VLC for easy user interface version for Audio only?
What about asking VLC to add feature of capturing image easily and in the formate which user one, from video file???
...
You can list here, the errors which you got while using VLC and what changes or extra features you like to see in VLC??