thank for your help but it don't work on my computer Le mercredi 31 janvier 2018 14:07:56 UTC+1, mflatt a écrit : > > At Wed, 31 Jan 2018 03:27:42 -0800 (PST), gérard castagné wrote: > > Why I can't launch it from finder, only from terminal > > A likely solution is to drag the "DrRacket" executable out of its > folder and then back again. If your installation is in "Applications", > you'll need to command-drag so that the applications moves (instead of > creating a shortcut). > > Explanation: > > For a few users, the application sets quarantined by the OS in a way > that makes it not run, even though the installer and executables are > signed with a valid certificate. We have not yet figured out why this > happens, but it seems to be something about the OS configuration; users > who experience the problem see it consistently, while most never see > the problem. > > The move-and-back repair may sound crazy, but Finder treats dragging an > application as a sign that you're willing to trust it(!). When the > application is moved out of its folder and back, Finder turns off the > quarantine bit on the application. > > >
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