If the executable installer continues to fail, you can bypass it entirely by forcing Windows to install the driver files manually.
Locate your downloaded Canon driver setup file (usually Setup.exe ). Right-click on the file. Select .
In the same window, click on any remaining printer. Click Print server properties at the top of the window. Go to the Ports tab. Look for any ports labeled Canon MF NP Port or similar. could not install canon mf port monitor
Click in the left sidebar.
Open your antivirus software and look for a toggle to disable it temporarily. Search for "Windows Defender Firewall" in your start menu. If the executable installer continues to fail, you
The installer lacking administrative rights to modify system ports.
Security software sometimes misinterprets the creation of a new printer port monitor as a malicious unauthorized system change. Select
To help narrow down the solution for your specific setup, could you tell me: What is your ? Are you connecting via USB or Wi-Fi/Network ? Which version of Windows are you using?