download not from acceptable site

[malcolml88411110]

I have received my serial number but the download is from arvato BERTELSMAN.

Download package cannot be opened because the identity of the developer cannot be confirmed.  Safari download this file from red.protexis.net

System is OSX 10.8.5

any clues what to do please?

[Ned Murphy · Accepted solution]

Mac Unidentified Developer Issue

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Here's how to open apps that apple should not be blocking: 

http://www.imore.com/how-open-apps-unidentified-developer-os-x-mountain-lion

[malcolml88411110]

thank you, that works

[Ned Murphy]

You're welcome