If when you click on the "Check for Updates Now..." in the ProSelect Help menu, and you get a message advising you ProSelect cannot update because "you are not connected to the Internet" but you know you are, it may be that you have your firewall or other software blocking the connection. 

Either make sure that within your firewall software that ProSelect is set as allowed/unblocked,

or

Alternatively go directly to the ProStudio Software Website and get the newest version applicable to your ProSelect license from the Downloads page (under the Downloads menu)