To quit (close) a Mac app normally, choose Quit from the app's menu in the menu bar, or press Command (⌘)-Q. If the app doesn't quit, follow these steps to force the app to quit.
If you want, you can open an app from an unidentified developer. The app may be damaged. Try reinstalling it. If you still can’t open the app, contact the app’s manufacturer. If you recently installed a new version of macOS, some apps may need to be updated or reinstalled to work correctly.
Some Mac users say that they can't download programs from other website except Mac App Store, or they may can't be opened the download file. When they click on the download file, it says 'xxx can't be opened because it is from an unidentified developer'. MacOS 10.15 Catalina is ruthless about launching unknown apps. Unless your app comes direct from the App Store, or the app’s developer got the app notarized by Apple, it won’t launch.Double. All of a sudden my husband’s macbook could no longer open any OSX apps, including Safari, App Store, iMovie, Photos, etc. Once attempted to be opened, the app icons show a? Instead of the usual app icon. He would then get the following error: You can’t open the application because it may be damaged or incomplete.
How to force an app to quit
Press these three keys together: Option, Command, and Esc (Escape). Or choose Force Quit from the Apple menu in the upper-left corner of your screen. (This is similar to pressing Control-Alt-Delete on a PC.) Allow apps in privacy without admin priveleges mac.
Then select the app in the Force Quit window and click Force Quit.
You can even force the Finder to quit, if it stops responding: Select Finder in the Force Quit window, then click Relaunch. https://cleverarizona481.weebly.com/hidden-open-apps-mac.html. Pixer app for mac.
Learn more
How to force an app to close on your iPhone, iPad, or iPod touch.
Can't Open Any Apps On My Macbook
All of a sudden my husband’s macbook could no longer open any OSX apps, including Safari, App Store, iMovie, Photos, etc. Once attempted to be opened, the app icons show a ? instead of the usual app icon. He would then get the following error:
Can't Open Any Apps On Macbook Pro
You can’t open the application because it may be damaged or incomplete https://cleverarizona481.weebly.com/heartstone-arena-app-mac.html.
After several searches on Google, I stumbled upon this forum with many different solutions. The one that worked for him (and luckily quite simple) is to clear a few cached files using the following steps:
- On Finder, Go > Go to folder > /var/folders
- You will see two letter folders like the below. Apart from zz, open each two letter folder and it’s subfolder until you find folders labeled with O, C, and T. Clear the contents of each of the O, C, T folders.
- Restart your Mac
Once restarted, the apps on the macbook opened without issues an no longer showing the ? icons.
Hope this helps anyone!
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Jun 30, 2020
how to fix the Mac error
its good but I have parental controls