This has been a problem that just started for me. When I change from Simple View to the Advanced View or back the other way I get the following message,

"BOINC couldn't do Internet communication and no default connection was selected. Please connect to the Internet or select default connection using Advance/Options/Connections."

This has not happened before today and I can press any of the buttons for the web site that is associated with the project and the BOINC Manager will open my browser and go to the associated web site without problem. I can even click the update button and get an update from the site. This seems to be an intermittent problem.

I have BOINC version 5.10.20 and have a cable Internet connection so I am always connected.

Thank you for your help,

Warren Rogers