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No start up on macOS Catalina 10.15.5 because Sourcetree is blocked by Apple

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July 11, 2020


when trying to start Sourcetree on macOS Catalina 10.15.5, an error message is displayed by macOS stating that the app can not be started because Apple cannot check it for malicious software. I downloaded the most recent available version freshly from sourcetreeapp.comScreenshot 2020-07-11 at 17.21.29.png

Anyone any idea if this is going to be fixed soon? It kind of stops us in our tracks.


PS: Neither https://community.atlassian.com/t5/Sourcetree-questions/I-cannot-install-Sourcetree-quot-Apple-cannot-check-app-for/qaq-p/1234894 nor https://community.atlassian.com/t5/Sourcetree-questions/quot-Sourcetree-can-t-be-opened-because-Apple-cannot-check-it/qaq-p/1400848 works for me.

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Pee Cha July 11, 2020

Just tried it on the same version of macOS you have.

Right click - Open, shows this popup. From here you just need to hit Open and it opens, asking you to move itself to Applications.

Screenshot 2020-07-11 at 23.47.35.png

Sourcetree version 4.0.1 (234)


What do you have set in your Security & Privacy settings? 

Screenshot 2020-07-11 at 23.59.47.png

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