John has hit the nail squarley on the head and has managed a Karate Kid 2 on it...
Your Windows Explorer is Crashing... I would do what John is sayng, but I would also Install SP3 sooner rather than later.
Chris (formerly R@nSiD)
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When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix
Winner SM VFX Challenge 1
3rd Place SM SteamPunk Challenge (May 2007)