DecodeMEPG2 with DVD2AVI
Start DVD2AVI and select "Open" in the "File"-menu
then ADD the tracks you want to decode.....
After you have all tracks in the filelist click OK and now you can set a beginn and end point.
Then select "Save Project F4" in the "File"-menu or hit F4. Now the decoding process is started.
Now wait a few minutes until DVD2AVI has decoded all MPEG-Tracks.