After exporting for a video, and I wonder the only option format for the video is .mov, and the program asks for the presence of Quick time. After I install and set up Quick Time 7.1 and then exporting and also Media Encoding.
The Adobe tells me "Done.. But nevertheless, the video cannot be seen, though my audio in the timeline is working fine. Similarly this for the H.264 mp4 is not able to function.