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If you can't open the Trash, restart your computer and try again.
If you can't empty the Trash, try this method:
You can't empty the Trash or move a file to the Trash
If you can't empty the Trash or move a file to the Trash
For example, this message might appear when you try to empty the Trash: "The operation could not be completed because the item '(item name)' is locked."
First, try holding the Option key as you choose Empty Trash from the Finder menu.