also..i installed the mw2 challenge lobby mod...omg..there is so much awesomeness in that mod...you can fire care packages instead of bullets..i mean there are just TONS of things that the mod does...I just haven't yet figured out how to pull ppl looking for an online game, which is the main purpose of the mod..but I've done little more research than how to download and install the patch.

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http://www.console-spot.com/homebrew-downloads/prepatched-eboots/ - these may work for games that copy and won't boot..There isn't a fully working black ops patch on that site though...I need to figure out how to edit these files...i'll do it myself if I can get some info on it..