so i downloaded the 30 day trial of ableton live 8 suite edition and im trying to install the drum sounds and apparently my library is not configured properly.. what does this mean? and how do i go about configuring the library?

since this thread is very much a question i would ask, im gonna throw this in here.
what are the main differences in mixing, and creating dubstep? im interested in both but dont know if its a similar process or what..

hello internet habitants.
im from the east coast of canada, ive recently become consumed with dubstep/house types of music.
ive fooled around with a few different programs and free websites, but i know virtually nothing about the technical terms and whatnot.
if people would be so kind as to ...