How can we help if you give not one specification what you are doing. Which build of VMS 16 is used, which type of project, which sourcefiles, how and to which template/codec did you tried to export a file?
Właśćiwośći Wideo /format obrazu 1,456[PAL DV panoramiczny],Audio/Tryb główny śćieżki 5.1 przestrzenny Stwórz film/Format MPEG-2, Rozdzielczość 720x576.Pragnę stworzony film nagrać na dysk komputera
That becomes very difficult because rendering to MPEG-2 makes only a video stream and you must have to render the audio to an AC3 file trough Project/Render as... and joine video- and audio streams with another app. Better is to render your project to an mp4