how do i fix runtime error R6034

First Error Message

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Microsoft Visual C++ Runtime Library

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Runtime Error!

Program: C:\Program Files\iTunes\iTunes.exe

R6034

An application has made an attempt to load the C runtime library incorrectly.

Please contact the application's support team for more information.

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OK

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Second Error Message

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iTunes

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iTunes was not installed correctly. Please reinstall iTunes.

Error 7 (Windows error 1114)

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OK

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If I try to reinstall iTunes will it delete all of my back-up information; music, apps, device back-up's, contact's, photo's, etc...?

In order to reinstall, do I have to delete itunes first?