Messages App (beta) Crashes Constantly

i don't know if it's because have older macbook pro late 2007 or what, newly released messages app (beta version) crashes every time open it. i'm running lion. else having problem?




model: macbookpro2,1, bootrom mbp21.00a5.b08, 2 processors, intel core 2 duo, 2.33 ghz, 3 gb, smc 1.14f5

 

tell apple this. that's betas for, after

 

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