After loaded a web URL in Kofax Kapow RPA 10.4.0.1, I am getting this error("Flash plugin is not installed.")
How to solve this error please help me.
Assuming that you don't want to interact with the Flash content present on the page:
If you need to interact with Flash, follow the guide you linked (which you already did) and then make sure that you use the CEF. This isn't done with a simple Page Load action, but with Desktop Automation (using a local device):