i was wondering why im finding riteks to not play in some stand alones that play other brands. i took a music backup to a party last night and it would not play. (rca player) it was a 2 disc concert and i ran out mid burn 1 disc + 1 disc - neither would play. but the imation back ups i had played the memorex played. all made with shrink and nero. non player was the newest ive made with the newest shrink the others older versions. the olders when inserted the menu would say dvd shrink was inserted + or - worked. the newest - stated error unable to read disk, the + stated it was joe satriani live but would not play. when you hit play it said an error occured and to shut the player off. any ideas i know i could rebackup with an older version to see but why waste disks. and he just got 2 new movies he wants me to make him backups of but if they wont play whats the point.