I am getting "invalid signature" when I try to download or update iTunes? Using IE10. and Norton. What to do? Please suggest. Thanks

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Level 1

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I am using EI 10 and Norton. It will allow me to download iTunes, but not update. I cannot dowload apps from iTunes. Same error message.

Thanks for help.

Dell Dimension 8300, Windows XP Pro, Using Apple Cinema Display

Posted on Nov 21, 2012 1:06 AM

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Answer 1

Level 9

72,324 points

That suggests that the installer is getting damaged during the download.

I'd first try downloading an installer from the Apple website using a different web browser:

If you use Firefox instead of IE for the download (or vice versa), do you get a working installer?

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