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Trying silent upgrade, where is manifest.php file?

Question asked by Kris Paul on May 15, 2015
I have begun the long journey of attempting to upgrade from an old Sugar install to the latest Community Edition.  I did one upgrade using the install Wizard, but couldn't get that to work for the next one, and read in another post that using the silent upgrade is a better option, so decided to try that. 

I currently have 5.2.0d and am trying to get to 5.5.1 next.  I found the silent upgrade zip file here:

I've followed the directions in the readme file, but when I attempt to run it at my command prompt I get the following error,
"The patch did not contain a proper manifest.php file.  Cannot continue."

Where do I go from here?