I got the "damaged" error when I tried to run it; then I changed that setting to Anywhere; and now I don't get that error anymore. No need to disable GateKeeper. It used to run properly in HS but I don't remember which version of JRE I had installed. New comments cannot be posted and votes cannot be cast, More posts from the learnprogramming community. Just upgraded to Mountain Lion and I have to buy iPhoto again? Ask Different is a question and answer site for power users of Apple hardware and software. If I try to run the DrJava.jar it says The Java JAR file “drjava-beta-20160913-225446.jar” could not be launched. What does it mean when people say "Physics break down". Ask Different works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. You should move it to the trash” I tried multiple time but … How can I get readers to like a character they’ve never met? Is there a name for paths that follow gridlines? Where to repeat in this Jingle Bells score? iBoostUp fails to launch after an update with error "iBoostUp is damaged and can't be opened" Damaged and can't be open app error message, Battle Chess Special Edition from GOG.com, Podcast 283: Cleaning up the cloud to help fight climate change, Creating new Help Center documents for Review queues: Project overview, Many OS X app store apps are listed as “app” is damaged and can't be opened, “jdk-14.0.1.jdk” is damaged and can’t be opened - when installing JMC / JFR afterwards, There was an error in the Mac App Store. I've been going through stackexchange/drjava support tickets and haven't found a solution yet. For a similar problem, with the (Java) application Sawmill, it was sufficient to "Allow applications downloaded from: Anywhere." error when trying to run unsigned applications in Mountain Lion. What are all fantastic creatures on The Nile mosaic of Palestrina? I'd check to see if DrJava has a non-beta update you can try. Press J to jump to the feed. Delete “iBoostUp” and download it again from the App Store! Open Terminal.app from Applications -> Utilities Is the nucleus smaller than the electron? “iBoostUp” is damaged and can’t be opened. This worked for me with DrJava.app – Paul Gregory Oct 30 '13 at 15:30. – Scott Lawrence May 21 '14 at 21:11. This worked for me with an open source UML diagramming tool (ArgoUML). It used to run properly in HS but I don't remember which version of JRE I had installed. In Terminal, run "xattr -rc /Volumes/Application.app", that should fix it (naturally, replace "/Volumes/Application.app" with your actual application path. This solved it. Computer help from your peers and experienced hands. How many people voted early (absentee, by mail) in the 2016 US presidential election? So I need the app DrJava for some assignments and I can't seem to run DrJava in my computer. It says “DR Java is damaged and can’t be opened. By using our Services or clicking I agree, you agree to our use of cookies. Doing this only for apps that need it definitely seems preferable to disabling GateKeeper. Remove iBoostUp from your Applications I am a bot, and this action was performed automatically. Remove com.ituneup.ituneup.plist and com.ituneup.ituneup.plist.lockfile from ~/Library/Preferences How is it possible that a