Bought it because my aging Aiwa audio unit was skipping tracks in the CD player mode.  At first I thought it was the CD but every CD I played had the same problem to one degree or another.  I tried the Maxell cleaner and the player performance is much improved.  I wish I could say it's 100% fixed.  Perhaps some more applications of the cleaner plus spraying some canned air into the open CD tray will finally clear it up 100%,