In order to burn my MKV files, I am assuming that I need to convert them to .AVI files before I burn them with NeroVision Express. Does anyone know of a converting process of .MKV to .AVI?
.mkv is more os a file package (almost like a zip file). All you need is a matroska extractor: http://forum.doom9.org/showthread.php?s=&threadid=73819 also, you should get mkvtoolnix: http://www.bunkus.org/videotools/mkvtoolnix/downloads.html These files usually contain .avi and .aac or .mp3.
