MacOS – How to reinstall an application that the Mac App Store thinks is installed already

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I'm the developer of an application that is currently on the Mac App Store. I'm trying to download my own application so that I can test out the binary that is on the store. (As opposed to running it in Xcode.)

I have purchased my own app in the app store previously, but then deleted it. (So that I could install a different version for testing.) Now, the App Store thinks that the application is still installed, even though it is not. (I deleted the development version when I was finished using it.)

I have removed all instances of the application from:

  • /Applications
  • ~/Downloads

But the app is marked as "Installed" in the App Store, and it doesn't show up in my purchases. Is there a trick to get my binary re-installed?

Best Answer

Awesome, I figured it out. Run this command, which rebuilds LaunchServices:

/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user

And everything should be back to good! Immediately after running, the App Store allowed me to re-purchase the app.

Source: MacLife Link

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