Here is a step-by-step guide to resolve the error.
In rare cases, the error is a symptom of a communication failure. Ensure:
This error usually occurs because leftover driver files or registry entries from a previous installation are blocking the new "MF Port Monitor" from being registered correctly. could not install canon mf port monitor
When this monitor fails to install, Windows cannot send print jobs to the printer, even if the basic driver is present.
Keep the Services window open. Press Windows Key + R again, type C:\Windows\System32\spool\PRINTERS and press . Here is a step-by-step guide to resolve the error
Using Windows 11 on an ARM64 device (like Snapdragon laptops) blocks incompatible x86/x64 kernel-mode drivers. Step 1: Run the Installer with Full Administrative Rights
The installation rolls back, your printer isn’t detected over USB or network, and you’re left wondering if it’s a Windows problem, a Canon problem, or just bad luck. When this monitor fails to install, Windows cannot
If the installer still fails, it is usually because a corrupted registry key is blocking the "MF Port Monitor" creation. Press Windows Key + R , type regedit and press . Navigate to the following path based on your system:
Windows manages all print jobs and ports through the Print Spooler service. If this service is "holding" a port, the Canon installer will fail. Press Windows Key + R , type , and hit Enter. Find Print Spooler in the list. Right-click it and select Stop .
Click . Wait a moment, then click The printer that I want isn't listed (or Add manually ).