The "could not install Canon MF Port Monitor" error typically occurs during driver installation when the installer fails to register the communication port between your computer and the printer Canon Community Feature Overview Canon MF Port Monitor
Windows Key + R, type regedit, and hit Enter.HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print\Monitors: Windows Defender or third-party antivirus suites (like McAfee) may block the port monitor from registering during installation . could not install canon mf port monitor
Go back to the Services window, right-click , and select Start . Try running the Canon installer again. 4. Use the "Generic Plus" or "UFR II" Driver The "could not install Canon MF Port Monitor"
If that fails, a clean boot or using Windows' native TCP/IP port creation will bypass the problem entirely. Canon’s proprietary software is powerful, but it is also sensitive to Windows security models. Treat the installation process with care—using admin rights and temporary antivirus deactivation—and your Canon MF series printer will be up and running in under 15 minutes. Press Windows Key + R , type regedit , and hit Enter