RMK2K3 BATTLE BACKGROUND WONT CHANGE

Is this in battle or out-of-battle, and out-of-battle meaning after this battle, the next battle after this will have a differant background. And if that's not it, take a look at where the character/event is standing, and look in the tileset's terrain area, and if it's something that doesn't make sense and stuff, then fix it and see if it works, and if that doesn't work, check the map settings of where the event is. Those could all be factors of what could be happening. And if your using windows 7, your screwed...