berkedel/firefox-software-update-problem-in-macos-catalina-beta.md

Created June 26, 2019 08:53

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Firefox Software Update can’t be opened because it is from an unidentified developer

Raw

In latest macOS Catalina beta, this issue will occur for firefox user when opening for the first time after upgrading.

The workaround:

Disable the assessment subsystem altogether temporarily by running sudo spctl --master-disable on your terminal.
Open Firefox and close it.
Then enable again the assessment subsystem by running sudo spctl --master-enable.
Then open Firefox, hope it will solve

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