"Attempted an Unsupported Operation" when launching Sage 300


After installation of Sage 300 and while trying to launch for the first time, receives this message: “Attempted an unsupported operation” and there are no company databases listed in the company drop down list. 


User does not have adequate permissions or “Full Control” permissions to the Program and Shared data folders. 


Gratn “Full Control” permissions to all users for the Programs and Shared Data folders and the issue will be resolved, the user can launch Sage 300 without the error message and can see company databases to select.