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You aren't putting the files in the correct folder. The boxes folders are in C:/users/~urname/AppData/Boxes o C:/users/~urname/AppData/Roaming/Pokemon Online/Boxes
http://pokemon.aesoft.org/replay-Hulfaahh-vs-Jackinth3box1210--26-septiembre-2011-at-17h11-private1343212815
When the Mamoswine lost all the PS, the replay stops. I think it's because the Icicle Crash flinches the opponent, and there is a bug that prevents go on. Thanks.
Edit:
Ok in turn 17...