I'm using zombiezillahs 1.13 spoof 9.99 installed it from 1.09. I got that once from Black ops, but I just it the PSN option in multiplayer a couple of times. After a few "downloading settings" boxes it finally changed the splash screen (126.96.36.199 in upper right and black ops2 bonus map icon lower left) Zombies mode for me never had an issue. MW3 don't seem to matter how many clicks or pkg installs I do. (mw3 splash screen 1.8.512)From base game I've tried installing
19 20 21 zom22 zom23;
19 20 21 22 23 zom22 zom23;
19 zom22 zom23;
20 zom22 zom23.
I've come to the conclusion it has to be something with my setup. (netgear dsl modem/router