Thread: Not a Valid MSI
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Old 04-23-2011, 01:41 PM   #1
dbieniek
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Not a Valid MSI

I've downloaded Calibre 7.57 from several locations. Each has returned the error message "Not a Valid MSI" when trying to install.

I am running Windows 7 and do have an older version of Calibre, 7.44, installed.

Can you help?
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