Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Uninstalling Software From Mac OS X Completely
Uninstalling anything is pretty easy – simply delete that program from Applications folder. You can also use an uninstaller, though it is not required in most cases.
However, if you want to uninstall a corrupt app, or to reinstall an app to change some settings, it is necessary to properly remove all its components.
Mac software files are always stored in Applications folder. Programs are generally individual icons, but some of them are also in the form of multiple (or single) folders.
Drag the folder or icon of the program you want to remove, into Trash. You might need an admin username and password for the same in case you are not its owner.
Removing support files
You’ll find that there are two major locations for support files, and both of them are called Library. One of them is at the peak level, and second in the Home folder. If you want to remove the software completely, you have to remove files from these folders.
You can begin with the top library that is on the hard disk. You can now remove any folders or files that have the same name as the program you want to remove. You can try searching these locations:
- ~/Library/Application Support
Now remove the files that have similar names as the items found in User Library under Home folder.
For most of the applications, that is what you need to do. And in the end, just empty the Trash. If it says that the item cannot be deleted because it is being used, restart your system and try again.
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