Problems with desktop-effects(simple-ccsm) and network manager

I am on openSUSE 11.3 using lenovo r61, I dont know why but the desktop effects which I have enabled turn off automatically, it has happened to me twice

I have more question I am not able to connect with network manager using my usb modem however with wvdial i am able to connect currently I am using wvdial

openSUSE11.3, gnome