Make a folder on your Desktop
Open the Trash and move everything from the Trash to the folder you created on your desktop.
Assuming you are an admin, use Terminal and issue this command:
sudo rm -R ~/Desktop/nameOfFolderCreatedInFirstStep
Thank you, thank you, thank you! That worked! I spent an hour and a half on the phone with Apple yesterday and was able to delete a lot of the files except for a couple of them. I did what you recommended and it worked!