CompanionLink Support Center

“CompanionLink” can’t be opened because it is from an unidentified developer.

In OS X 10.8 Mountain Lion and OS X Lion 10.7.5, Gatekeeper, Apple's new malware app prevention feature, may disable CompanionLink from opening and you will receive the following message:

“CompanionLink” can’t be opened because it is from an unidentified developer. Your security preferences allow installation of only apps from the Mac App Store and identified developers.

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To open CompanionLink, you will need to change your "Gatekeeper" settings.

  1. From the Apple menu select System Preferences > Security & Privacy
  2. Under the General tab under the header "Allow applications downloaded from:" select "Anywhere"

NOTE: You may need to select the Lock icon in the bottom right to allow changing this setting.

More info about "Mountain Lion: About Gatekeeper:" http://support.apple.com/kb/HT5290

Changing the setting to "Anywhere" will "Allow applications to run regardless of their source on the Internet; Gatekeeper is effectively turned off."


Using CompanionLink with Gatekeeper turned ON

In a future update CompanionLink will be available in the Mac App Store and will be signed with a Developer ID to support Gatekeeper. This will allow CompanionLink to open with Gatekeeper set to "Allow applications downloaded from: Mac App Store and identified developers".

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