Apple - Error: "The operation can’t be completed because one or more required items can’t be found. (Error code -43)"

You can search Force Quit & submit it. Then choose Finder and Relauch it. Finally move to trash item 's icon which you want remove

A simple shut down, then start, of OS X should automatically remove debris from

/Volumes

If you like: disconnect/eject any removable media before the start.

Or simply leave the media in place, and restart.

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There may be other approaches to dealing with volume debris whilst the OS is running but in my experience, it's often better to restart.

Also recommended

Error -43 may truly indicate a file system inconsistency, so use Recovery OS Disk Utility to verify affected file systems.

I had previously gotten the Error 43 on my Mac. So Here's the fix: Error Code 43 Mac.

To fix, what you need to do is basically two steps

1. Reset the PRAM. From a powered off state, hold ⌘ Cmd ⌥ Option P R until you hear the startup chimes 3 times, then release and allow your system to boot normally.

2. (Optional) Delete the locked files. In Terminal, execute the following command: chflags -R nouchg. Then open your Trash, select all the item (⌘ Cmd A), drag everything to the Terminal window, then press Return ⏎. Empty your Trash

If you follow these steps, it should solve the problem.