Problems installing iTunes

I get the following msgs when trying to install iTunes on a Win 7 64 with 2.8 Ghz CPU.

There is also the log file returning 1603

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iTunesHelper

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Apple Application Support was not found.

Apple Application Support is required to run iTunesHelper. Please uninstall iTunes, then install iTunes again.

Error 2

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OK

The feature you are trying to use is on a network resource that is unavailable.

C:\Users\Vince\AppData\Local\Temp\IXP733.TMP\iTunes64.msi cannot be found. Verify you have access to this location.

Using single-platform PRODUCTCODE.

Product to install: {7FCDABCC-1A1E-4D61-909D-BA9495172774}

Executing: "C:\Windows\system32\msiexec.exe" /i "{7FCDABCC-1A1E-4D61-909D-BA9495172774}" INSTALL_SUPPORT_PACKAGES=1

Returning: 1603

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iTunes

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Apple Application Support was not found.

Apple Application Support is required to run iTunes. Please uninstall iTunes, then install iTunes again.

Error 2 (Windows error 2)

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OK

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