Back at the desk, she dove into forums. They were a map of other people’s wars with similar messages—error codes, registry edits, tales of success that read like modern epics. One post mentioned a legacy utility buried in Canon’s support site: MF Port Monitor (x64) — an old, awkward file with a size and name that made it suspiciously human. The comment thread had one line of gold: “Install in safe mode, then add port manually.” It felt too specific to be coincidence.
Press Windows Key + R , type control printers , and press to open the classic Devices and Printers window.
: Attempting to install a 32-bit port monitor on a 64-bit Windows system (or vice versa). Step 1: Perform a Completely Clean Uninstall
Click when the User Account Control (UAC) prompt appears. could not install canon mf port monitor
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
If these quick checks don't work, proceed to the more thorough solutions below.
The prevents you from completing the installation of your Canon ImageCLASS or i-SENSYS multi-function (MF) printer drivers. This error disrupts the installation wizard and leaves you with an unusable printer or broken scanning functions. Back at the desk, she dove into forums
This is the solution for the "could not install" error. Windows retains old driver data even after uninstalling. You must scrub it manually.
(Run as Administrator).
Ensure that the Canon MF Scan Utility is allowed through your firewall if you are using it on a network. The comment thread had one line of gold:
If you are confident in your technical abilities and have tried everything else, manually cleaning the Windows Registry of leftover Canon entries is an advanced fix that has worked for some users.
Navigate to your downloaded driver folder (usually a decompressed folder in "Downloads").