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

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

The workaround:

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