stan j - 2012-11-19

im a little new to this.  i searched the forum and couldnt find my answer.  i have a single file that was split into two separate mpgs.  im trying to burn them on to one disc.  when i try this in burn, it only burns part 1 and closes the disc before it burns the 2nd half.  any ideas on what to do???? id greatly appreciate it!!!