, refer to Troubleshoot a "required privileges error" with the IJ Scan Utility from a Windows computer. When attempting to scan, you may get an error message that looks similar those below.
Allow the scan utility to work through Windows Defender next to Add an allowed app In the window that appears, navigate to C :\Program Files (x86)\Canon\IJ Scan Utility and double click SCANUTILITY.exe
This article explains what to do if you see the error "You do not have permission to open the application “Canon IJScanner###" when scanning after installing the ICA driver for your scanner or multifunction printer on macOS 11.5.