loading into matchs

ok, so since the last patch me and my friend have have a tough time loading into matches. Its taken a lot longer to load into any type of match and sometimes it doesn't even get that far and the game just sorta freeze's. We have tried every thing from defrags to lowering our graphics settings, and yes we have restarted our comps. We have know idea what is actually causing this, and were wondering if anyone else was having this problem and/or how to fix it?

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