PopCorn MKV AudioConverter

[sjr667]

Hi I having been playing for hours trying to get this to work I am not very technical at all so I must be doing something wrong my error message is

Progress log:

Extracting Information for file "C:\Documents and Settings\Administrator\Desktop\Prison.Break.S04E01.720p.HDTV.X264-DIMENSION.mkv"
Video Track:
Track Number: 1
Codec: V_MPEG4/ISO/AVC
Pixel Resolution: 1280x720
Aspect ratio: 1.78
Display Resolution: 1280x720
Frames per second: 23.976
Audio Track #1
Track Number: 2
Codec: A_AC3
SampleRate: 48000
Channels: 6
Skipping conversion - none of the audio tracks can be converted or the conversion has been disabled


please can someone help me