Consider this scenario:
Internet Explorer 9 or above is installed on your PC
Canon Easy-WebPrint EX is installed on your PC
When you start Windows Internet Explorer, you receive the following error message:
Canon Easy-WebPrint EX isn't compatible with Internet Explorer and is temporarily disabled
The Canon Easy-WebPrint EX plug-in is an add-in for Internet Explorer. Your current version of the Canon Easy-WebPrint EX plug-in is incompatible with the version of Internet Explorer installed on the PC.
To resolve this issue, go to the Canon website to search for and download the most recent version of the Canon Easy-WebPrint EX plug-in.
Note: For Internet Explorer 10, add-ons and toolbars will only work in Internet Explorer for the desktop.