#Remove cleaner app in mac os how to

If the вЂLockedвЂ™ checkbox is greyed out, then this means you donвЂ™t have permission to modify the file (we look at how to change a fileвЂ™s permissions in the next section, so skip ahead if you canвЂ™t currently access the вЂLockedвЂ™ checkbox). Expand the вЂGeneralвЂ™ section, if it isnвЂ™t expanded already.Select вЂGet InfoвЂ™ from the menu that appears.

If youвЂ™re getting a вЂFile is lockedвЂ™ message, then youвЂ™ll need to unlock that file before you can delete it: If youвЂ™re unsure, then do some research by entering the name of the mystery process into your favourite search engine and exploring some of the results. Just be wary of closing a process when you donвЂ™t fully understand what that process does, as some processes are essential to the smooth running of your Mac. Could any of these be using the file youвЂ™re trying to delete? If you spot a likely candidate, then select it and give Activity MonitorвЂ™s вЂQuit ProcessвЂ™ icon a click.

In Activity Monitor, select either the вЂCPUвЂ™ or вЂMemoryвЂ™ tab and spend some time exploring the list of currently-running apps and processes. If youвЂ™re still seeing the вЂFile in useвЂ™ message, then itвЂ™s time to take a closer look at exactly whatвЂ™s running on your MacBook, by launching the Activity monitor app (вЂApplicationsвЂ™ > вЂUtilitiesвЂ™ > вЂActivity Monitor). Start by checking what apps you have open and closing any that you suspect might be accessing the file in question, then try deleting the file again. YouвЂ™ll need to hunt down the culprit, and close it. If youвЂ™re getting a вЂFile in useвЂ™ message whenever you try and drag a file to the Trash, that means an app or process is currently using this file. Problem: A file is being used by another app or process