free memory

hello, free memory function do not delete the recycle/trash-folder completely. There are still files in the trash. See the screenshot. Does anyone have an idea?

Hello, Can anyone help with how to deactivate the Free Memory option in the Toolbox. It is not functioning properly and hangs up 99% of the time by not responding to the click in the toolbar. The cursor also turns to the Mac beach ball when hovering over its icon in the toolbar. I have tried...