wHY DO I have to select "Retry" 5 times to delete files from a windows 10 folder

I log on as Mark & Jan with administrator privileges. I go into windows explorer and select a file from a folder. I right hand click and select "delete. The message "Retry or Cancel" appears. I have to select "Retry" 5 times. On the 5th time it will delete the file. What can I do to fix this please so I can delete the file on the first attempt. It happens when I select "Delete" or Shift "Delete" Many thanks. Mark

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