Check the boxes next to the problematic drivers and click .
Select the corrupted port and click . If an error says the port is in use, restart your PC and try this step again immediately upon boot. could not install canon mf port monitor
To help narrow down the issue, please share a few more details: What are you currently using? Check the boxes next to the problematic drivers and click
Press Windows Key + R , type printmanagement.msc , and press . Expand Print Servers > [Your Computer Name] > Drivers . 22H2) and printer model (e.g.
Visit the official Canon Support Forum (community.usa.canon.com) and post your Windows version (e.g., 22H2) and printer model (e.g., MF644Cdw) for detailed guidance.
: Use the built-in Windows Printer Troubleshooter to clear the print spooler and reset port settings.