In most cases using a No-CD or Fixed EXE will solve this problem! When this happens use the original EXE to play online, else you could find yourself banned from the game!
Always make a backup of the files that are overwritten by the File Archive, as the original files are usually required to update the game to a newer version or to play Online! A smart top-down reimagining of the Halo experience, let down by mobile game monetisation.Game or Patch Questions? Visit FileForums