Make sure to disable NVIDIA anti-aliasing for Caspian AIO in your NVIDIA control panel. You can find this setting under Manage 3D settings.
NVIDIA control panel
I can't login!
Make sure you are connected to the internet and your firewall or anti-virus software isn't blocking anything. However if you still can't login, open a support ticket and we will help identifying the issue and get you cooking! When opening a ticket, make sure to send the login error!