Try the command sudo rm -rf. Be sure to leave a space after -rf After you drag the file into Terminal and press Return, enter your administrator password and press Return again. (Nothing will appear to happen while you're typing the password.)
Jon
macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365
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