MACOS. 10.15.7 Blocked Install

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  • 2022-04-22 at 22:47 #35200

    KathrynS
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    Mac OS 10.15.7 will not permit installation. Can anyone advise?

    Message I get says: “DisplayCAL-3.8.9.3.pkg” cannot be opened because it is from an unknown developer. macOS cannot verify that this app is free from malware.”

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