That mod list really is pushing it...
First thing is do what SerJames is saying, he is one of the mod "gurus" in 3 Commando Brigade. You really are going to be getting some really bad conflicts and I would love to see the RPT file for that. If you don't need to run it, the general advice is don't run it. As mentioned before you have mods that are doing the same thing running, which I believe would give you either 2 versions of each map or cause problems in the long run concerning Keys if you were to join a server that runs them.
Get a stable list of mods, ones that you use all the time and throw the extras in as and when needed, there is no reason to use all of them at the same time.
---------- Post added at 17:38 ---------- Previous post was at 17:36 ----------
Also, all I could think of when I saw that mod list was this: