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Several users are reporting a free issue affecting the Xbox 360 version of Fight Night Round 4. Electronic Arts already announced it is aware of the issue, claiming it is only affecting a very small number of users.
A similar issue affected the demo of the game, but EA says that one
seemed to be hardware related, with no game code being involved in the
issue. According to EA, this freeze bug affecting the retail version
seems to be an HDD related issue plus specific files contained within.