Thursday, October 15, 2009

"iTunes Quicktime" has an invalid ...

I recently tried to install version 9 and this also occurred when I tried to upgrade to the latest version 9 patch. The installer downloads the files and then in a little pop-up window, I get the following message:

"iTunes Quicktime" has an invalid signature. It will not be installed.

This occurs regardless of whether I try to get the update through iTunes or I go to the Apple website and download and save the file to my computer and then try to install.

Orignal From: "iTunes Quicktime" has an invalid ...

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