Ok so i have a jtag, i am able to change patches for mw2 and do all that but when i make a file for COD 4 or WAW i am unable to get the modz working, i am able to boot the exe to where i get to choose xbox live, system link, blah but when i load a game there are no modz, another problem is i have downloaded the black ops beta stuff, and the splitscreen, i hav all the files but when i boot the exe file all i get is a black screen and have to restart my jtag again if you are able to help me reply back with any help, whoever completly helps me i will + all my rep for 5 days to please i am desperate