The exact command to reproduce the issue:
minikube version
The full output of the command that failed:
Original message in french
Impossible dâouvrir « minikube-darwin-amd64 » car le dĂ©veloppeur ne peut pas ĂȘtre vĂ©rifiĂ©.
macOS ne peut pas vérifier que cette app ne contient aucun logiciel malveillant.
Homebrew Cask a téléchargé ce fichier le 20 septembre 2019 depuis github.com.
That says Unable to open minikube because macOS can't verify this app
The output of the minikube logs command:
The operating system version:
This appends just after upgrade to macOS Catalina 10.15
minikube installed with brew cask
Taking âclosedâ to a whole new level...
https://developer.apple.com/developer-id/
Mac apps, installer packages, and kernel extensions that are signed with Developer ID must also be notarized by Apple in order to run on macOS Catalina.
Guess minikube has to get a Developer ID for the App Store ?
The âopen anywayâ button has now been moved to settings :
https://support.apple.com/en-us/HT202491
I don't have the open anyway button in settings but it look like I added an exception by using a first time "open with" Terminal.app on the binary in finder.
Now I can run minikube
Also using sudo spctl --master-disable should allow most command line binaries to work

http://osxdaily.com/2016/09/27/allow-apps-from-anywhere-macos-gatekeeper/
Allow apps from anywhere and sudo spctl --master-disable disable protections that can potentially leave a Mac vulnerable to malware, and should be avoided if at all possible. This is not an ideal solution.
After taking the following steps, I now seem to have an "Open anyways" option now, allowing running individual applications without disabling secure defaults.
Here's what I did, not sure if all steps are relevant:
spctl off and on:sudo spctl --master-disable
sudo spctl --master-enable

Maybe, "Allow Anyway" just for "minikube-darwin-amd64"
Switch spctl off
sudo spctl --master-disable
brew cask install minikube
minikube start
Switch spctl on
sudo spctl --master-enable
I'm not sure how this "new" Apple requirement can be integrated into minikube release process:
https://developer.apple.com/developer-id/
https://developer.apple.com/documentation/security/notarizing_your_app_before_distribution
Maybe @tstromberg can take a look at if and how such a workflow could be added to the CI ?
sudo chown root:wheel /Users/chile/.minikube/bin/docker-machine-driver-hyperkit
sudo chmod u+s /Users/chile/.minikube/bin/docker-machine-driver-hyperkit
Related: #5792
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/lifecycle stale
Came here to document that my issue in Catalina was that hyperkit requires Docker for Mac. Withtout it, minikube either hangs (using minikube start -p profile) or crashes (minikube start).
My installation didn't even get to the "minikube was blocked" security message.
My problem was solved by launching Docker for Mac which then asked security privileges for itself. After that, minikube was able to start.
Related: https://github.com/kubernetes/minikube/issues/5811#issuecomment-565573483
New version of hyperkit with Catalina fix is finally available on Homebrew, see https://github.com/Homebrew/homebrew-core/pull/50655 & https://github.com/moby/hyperkit/issues/267 for details.
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/close
@fejta-bot: Closing this issue.
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Most helpful comment
Maybe, "Allow Anyway" just for "minikube-darwin-amd64"