Why is my MacBook Pro coming up with an error message when trying to update Software?

I brought my MacBook Pro today and I have been trying to carry out the software updates, there are 9 in total. It takes about half an hour to download them all, then it tells me to restart. Once I have restarted, it then says it is installing the updates. After a minute it comes up with an error message. It then tells me that one or more of the files downloaded are corrupt!! Why is this happening as I have not done anything else with the laptop since I brought it??

Just re-download the updates via Software Update or you can download standalone updaters from support.apple.com/downloads/.
If you are on a slow connection it's probable that caused the corrupt files problem.

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I recommend following the steps in the article below when getting an error message trying to install iTunes:
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http://support.apple.com/kb/HT1926
Thank you for using Apple Support Communities.
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Click on the link below, and after that click on "Still need Help? Contact us."
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Why is my MacBook Pro coming up with an error message when trying to update Software?

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