I am trying to update my iTunes to 10.5.1 so that I can upgrade my 3GS phone but am getting the following error message when trying to install the itunes:Install step failed: Run pre upgrade script for apple mobile device support. Contact software manufac

I am trying to update my iTunes to 10.5.1 so that I can upgrade my 3GS phone but am getting the following error message when trying to install the itunes: Install step failed: Run pre upgrade script for apple mobile device support. Contact software manufacturer for assistance. I am on a MacBook pro running 10.5.8 OS. Has anyone seen this before and how can I get it resolved.
Thanks for your help in advance....

Did you ever figure out the problem? "Contact Software Manufacturer"?? That sounds ominous... I've got the same issue and I'm pretty durn aggravated right about now....
Thanks!

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