Ok, I just added the clarification that the Messaging host is not used when using Browser mode.However, the Messaging host is required to work to communicate and spy and detect elements in the browser.
Blue Prism uses a native messaging host application to communicate with the browser extension. When a browser is launched from Blue Prism, a native messaging host application is started behind the scenes that listens for any incoming messages from Bl...
It is possible the BluePrism.MessagingHost is not running.Please check the following KB Article https://support.blueprism.com/en/support/solutions/articles/7000083704
From version 7.3, the VBO is not included with the Blue Prism installer; you will need to download it from the DX. Just click on the link inside Blue Prism