Kubuntu won't boot after new Nvidia drivers. Please help

[maharaja2]

Hello everybody,
i installed new nvidia drivers with their installer and now i can't boot my Kubuntu.

I tried sudo dpkg-reconfigure xserver-xorg but it didn't work.

Please help, i am very desperate.

[maharaja2]

With envyng -t i deleted and installed old drivers. Splash screen now starts but it fails to load. The error is
Failed to load module "glx"