When a user attemps to connect to the Sigma Server using a Web Client, the client connects, but the screen remains blank.
When Sigma 4.08 is installed, the installed version of LogonSE.swc is blank.
Download the correct version of LogonSE.swc HERE.
Shutdown the Sigma client and server.
Navigate to Sigma/Data/Graphics/Drawings and delete LogonSE.swc.
Copy the downloaded version of LogonSE.swc to Sigma/Data/Graphics/Drawings.
Restart the Sigma client and server, and then test the Web Client.