ya got same problem if i use default.xex_11-22-2005_20_4_38 (renamed to default.xex) and move it to my DoA4 folder and after launch 544307D1_DeadORAlive4_Back.xex , then my xbox return back to dash and says the game is demaged or..
Use this default.xex ---> http://www.mediafire.com/?39tz8865lf9g1ie
Don't use default.xex_11-22-2005_20_4_38, that's memory dump.