The program can't find any usable optical drives

[yahoojames97]

Debug log started at Wed Oct 19 19:07:02 2011 , written by MakeMKV v1.6.15 win(x86-release)
Using 524544KB for read cache.
001005:0000 MakeMKV v1.6.15 win(x86-release) started
001004:0000 Debug logging enabled, log will be saved as F:\Users\James/MakeMKV_log.txt
005042:0000 The program can't find any usable optical drives.
Application exited at Wed Oct 19 19:07:27 2011

Any idea why I'm getting this error? I have AnyDVD installed and it works fine ripping from my LG BluRay drive.

[mike admin]

Presently, on windows, you have to start MakeMKV as administrator.