works fine on my Blitz Plus 1.4 if I put this line at the top
When you say "It suddenly stopped" do you mean the movie plays a bit and then stops or your code suddently stopped working after running it a few times (meaning you must have a made a change to the code or the file). Is debug mode enabled (on the program menu)? This will tell you if the file is not there as MoviePlaying will error with an invalid handle.
Open in online IDEGraphics 800,600
When you say "It suddenly stopped" do you mean the movie plays a bit and then stops or your code suddently stopped working after running it a few times (meaning you must have a made a change to the code or the file). Is debug mode enabled (on the program menu)? This will tell you if the file is not there as MoviePlaying will error with an invalid handle.