On stricter systems, unsigned or improperly signed components will be blocked. Group Policy or Windows Defender settings may prevent installation of third-party port monitors.
Knowing this can help narrow down if the issue is a physical connection or a network discovery problem. Cannot Install the Printer Driver - Canon India could not install canon mf port monitor
Click and allow Windows to install the driver directly. Step 6: Use a Standard TCP/IP Port Instead On stricter systems
in your Windows settings and ensure WPP is disabled before retrying the installation. Recommended Troubleshooting Steps could not install canon mf port monitor