This is hardly invalid. I've been getting this on 15.04 every X launch. Trying @aaroncampbell's solution is getting me closer, but it's still failing at random fonts with "Hash Sum mismatch"
This is hardly invalid. I've been getting this on 15.04 every X launch. Trying @aaroncampbell's solution is getting me closer, but it's still failing at random fonts with "Hash Sum mismatch"