Just read the stickied thread.
Additional info:
Disc: High School Musical 2 Extended Edition, region 1, USA, Stock #55041, release date 11 December 2007
Optical Reader: Lite-On LH-20A1S, firmware version 9L08 (most current version available per Lite-On's website)
I'm experiencing the above problem using
AnyDVD 6.3.1.5 official release and 6.3.1.6 Beta.
For ripping/burning I'm using
CloneDVD2 2.9.1.5 final.
My OS is Windows Vista Home Premium with all the latest patches/updates.