Battery 2, problems!! Options

[psytricks]

Hello! I've just bought battery 2, installed it, but it's not really running right... It opens up fine in logic in mono, and I can trigger the samples by clicking on the cells but when I trigger it with a midi note from the sequencer logic crashes. If I open it in stereo or multi channel it doesn't crash, but produces all sorts of horrible glitches when I play the sequencer. It's the first time that logic has crashed since I bought my mac 10 months ago. I'm using a power book G4 1.5ghz 1gb ram, Logic express 7, and the in built audio jack at the moment (not ideal but not much cash). I'm still a bit of a newbie to computer techie stuff, so any help would be greatly appreciated. Thanks!