If you have a dual layer dvd drive, try using an external cd drive or older dvd drive. I found that worked perfect.
Although, when I tried to install Groove agent 2 update...it starts fine, but then tells me that the program did not install correctly becuase there are other processes currently running. I had the same problem with virtual guitartist and the elctric edition. Althought there, both the update and the version one installed properly. Go figure!
Windows 7, dual quad core amd, 8 gig ram, asus N12319 mb, quatro graphics card, dual 12,500rpm sata drives 600 gig ea. Cubase 7, trilogy, omnisphere, virtual bassist, virtual guitarist, Komplete 7, Amplitude, Guitar Rig 3, Halion 3, Sampletank