my guess is that you are not actually downloading the installer, rather opening it up and trying to install directly...   
DOWNLOAD the installer then use it..     
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So Long and Thanks for All the Files 
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Beware of the big 3 insurance companies in Texas! Read your policies carefully (maybe you'll need a lawyer)  Allstate, Farmers & State Farm are overextended and their 'coverage' is worthless...a true waste of your money  Read This       |