If MP Navigator refuses to run, install IJ Scan Utility Lite from the same support page (Windows 10 version). It offers basic scan, copy, and PDF functions without the full Navigator interface.
Before we jump into the fix, let’s diagnose the "why." This will help you understand which solution applies to you. canon mp navigator ex 40 fix download windows 11
Install All Missing Visual C++ Runtimes: If MP Navigator refuses to run, install IJ
Disable Windows Defender temporarily (ONLY for the installation): Install All Missing Visual C++ Runtimes: