Could Not Install Canon Mf Port Monitor ((new)) Official
How to Fix the "Could Not Install Canon MF Port Monitor" Error
- Connect the printer via USB or network.
- Download and extract the Canon driver files (but don't run
Setup.exe). Place them in a folder likeC:\Canon_Drivers. - Go to Settings > Bluetooth & devices > Printers & scanners (Windows 11) or Devices and Printers (Windows 10).
- Click Add device – let Windows fail first. Then click "The printer that I want isn't listed" .
- Select "Add a local printer or network printer with manual settings" .
- Choose "Use an existing port" – select USB001 or Create a new port > Standard TCP/IP Port if network.
- Click Have Disk and browse to the extracted folder (e.g.,
C:\Canon_Drivers\Driver\CNMDrv.inf). - Select your Canon MF model and proceed. This forces Windows to install only the port monitor, not the full bloatware suite.
, meaning if it fails to install, your computer may print but will likely fail to scan. Canon Community How to Fix the Installation Error If you are seeing this error, try these solutions: Run as Administrator could not install canon mf port monitor
- Insufficient Administrator Privileges: The port monitor requires deep access to Windows system folders (e.g.,
C:\Windows\system32). Running the installer as a standard user will trigger this error. - Antivirus or Firewall Interference: Security software often blocks installers from modifying system-level port monitors.
- Corrupted Previous Installation: If you uninstalled a Canon driver without using the official uninstaller, leftover registry keys or DLL files can block the new installation.
- Windows User Account Control (UAC): Overly strict UAC settings can prevent the driver from writing to protected areas of the registry.
- Missing Windows Updates: Older versions of Windows 10 or 11 may lack the necessary .NET Framework or Visual C++ Redistributables that the monitor requires.
Go back to the Services window, right-click Print Spooler, and select Start. Try running the Canon installer again. 4. Use the "Generic Plus" or "UFR II" Driver How to Fix the "Could Not Install Canon
Fix 4: Remove Old Canon Drivers Completely
Leftover files from a previous installation are a major trigger for this error. Use Canon’s official cleanup tool. Connect the printer via USB or network
5. Try the “Add Printer” Manual Method
If the full driver package fails: