You're either missing requirements (if I had to guess it'd be windows media encoder) or the system is mildly unstable and didn't complete some of the tests.

Nizzen, you have a ways to go. Also, most people in the community refer to hwbot, where HDD startup scores higher than 220 MB/sec aren't allowed to prevent the usage of MFT.

http://service.futuremark.com/compare?pcm05=1984841