The moment you click "Login", the client loads the first 3D objects, so it is definitely a graphics issue of some kind.
Few things to try:
Few things to try:
- Try Primeval World
- They making sure your drivers are up to date.
- Check for secondary GPU issue, see Graphics_Issues
- Lower some graphics settings in the game before trying to log in (lower number of light sources for example)
- Try toggling the "Shader Array Index"-thingy