https://community.usa.canon.com/t5/Scanners/R40-scanner-driver-fails-install-with-command-line-argument/m-p/409796#M1313 <P>Hello!<BR /><BR />So that the Community can help you better, we will need to know more information.<BR /><BR />Do you see any error messages?<BR />Which version of Windows or macOS are you using?<BR />How do you connect by USB, WiFi, or Ethernet?<BR /><BR />Any other details you'd like to give will only help the Community better understand your issue.<BR /><BR />If you're in the United States, and this is an urgent support need, please click <SPAN><SPAN><A href="http://canon.us/account" target="_blank" rel="noopener">HERE</A></SPAN></SPAN> to visit your My Canon Account to discover your personalized support options.<BR /><BR />If you're outside the USA, please click <SPAN><SPAN><A href="https://global.canon/en/support/" target="_blank" rel="nofollow noopener noreferrer">HERE</A></SPAN></SPAN> to find support options in your country.<BR /><BR />Thanks, and have a great day!</P> Mon, 13 Mar 2023 17:34:22 GMT Stephen 2023-03-13T17:34:22Z https://community.usa.canon.com/t5/Scanners/R40-scanner-driver-fails-install-with-command-line-argument/m-p/409783#M1312 <P>Have tried restarting and running as admin.&nbsp; Also tried turning off the WIA service.&nbsp; Same error.</P> Mon, 13 Mar 2023 16:40:44 GMT https://community.usa.canon.com/t5/Scanners/R40-scanner-driver-fails-install-with-command-line-argument/m-p/409783#M1312 GGITSecurity 2023-03-13T16:40:44Z https://community.usa.canon.com/t5/Scanners/R40-scanner-driver-fails-install-with-command-line-argument/m-p/409796#M1313 <P>Hello!<BR /><BR />So that the Community can help you better, we will need to know more information.<BR /><BR />Do you see any error messages?<BR />Which version of Windows or macOS are you using?<BR />How do you connect by USB, WiFi, or Ethernet?<BR /><BR />Any other details you'd like to give will only help the Community better understand your issue.<BR /><BR />If you're in the United States, and this is an urgent support need, please click <SPAN><SPAN><A href="http://canon.us/account" target="_blank" rel="noopener">HERE</A></SPAN></SPAN> to visit your My Canon Account to discover your personalized support options.<BR /><BR />If you're outside the USA, please click <SPAN><SPAN><A href="https://global.canon/en/support/" target="_blank" rel="nofollow noopener noreferrer">HERE</A></SPAN></SPAN> to find support options in your country.<BR /><BR />Thanks, and have a great day!</P> Mon, 13 Mar 2023 17:34:22 GMT https://community.usa.canon.com/t5/Scanners/R40-scanner-driver-fails-install-with-command-line-argument/m-p/409796#M1313 Stephen 2023-03-13T17:34:22Z