I have gotten the probation notice a couple of times but never actually put in probation. the reason I got it was that the game kept on freezing during games, had to reset the system a couple of times in a row thats when I got the notice.
You have a bad ISP connection I would guess. I had this problem once while trying to play black ops2 in a thunder storm in costa rica. My connection kept signing me out and back in. I bet that is your problem.
Stop dashboarding and play the game right. Stop being a cheater. Who cares if your KDR goes down or up. It's not a big deal, all you need is to have fun.