Look for any entry containing or Canon Printer . Click Uninstall and follow the on-screen prompts. Restart your computer. Method 2: Reset the Windows Print Spooler
Real-time antivirus (McAfee, Norton, Avast, Bitdefender) or Windows Defender can falsely flag the port monitor installer as suspicious because it attempts to inject a driver into the system kernel. could not install canon mf port monitor
This comprehensive guide will walk you through why this happens and how to fix it step-by-step. Why This Error Occurs Look for any entry containing or Canon Printer
Go to the official Canon Support website and download the absolute latest package specifically built for your exact printer model and Windows version. 3. Install the Driver Using Administrative Rights could not install canon mf port monitor
The installer lacks administrative rights to write to the Windows System32 directory.
