kde 4.3.1 dont loading

hi, after installing nvidia driver at FreeBSD 8.0, Kde 4.3.1 don't loading after login screen, and when input username and password - login screen reload. Before installing nvidia driver, kde 4.3.1 load ok. Who know how decide this problem? Help please.

kde 4.3.1 dont loading

hi, after installing nvidia driver at FreeBSD 8.0, Kde 4.3.1 don't loading after login screen, and when input username and password - login screen reload. Before installing nvidia driver, kde 4.3.1 load ok. Who know how decide this problem? Help please. _