Are you using dual layer? I would suggest using Imgburn (free) to burn if you are not using that, and burning at the slowest speed supported by your burner. I have had issues where Imgburn burns and verifies without a hitch, but then have problems playing back on some standalone players. Burning at slowest supported speed generally solved the problem for me. Does it freeze when playing on your PC, or just standalone player? Though verbatim is generally good quality and I can usually burn at the fastest speed supported, the dual layer discs that are manufactured in the U.A.E. (you can find this info on the outer wrapping, albeit very small text) seem to be more problematic for me and have to burn those at the slowest speed supported.