If you are playing your iWin game and do not wish to login every time you launch the game, you can simply turn off the auto login feature of the iWin Games Manager.
1. Click on the green “Play iWin Games” icon from your desktop
This will open the iWin Games Manager.
2. Click on the "Settings" button at the lower left of the iWin Games Manager window.
3. Uncheck the two boxes under the "Connections" heading that tell you to automatically connect to the Internet and sign in.
4. Click the "OK" button. Now when you start your game, you will not be prompted to sign in first.