MizzKaterina

Hey im a fairly new SL user. I have never had a problem with SL untill today. When I open SL it lets me Login and i can hear all the sounds and see the chat box, but there is no picture, i can't see the store,people, sky, land, .. anything just a gray screen. Can someone please help me with this it is getting very annyoing. Any imput helps Thanks.. Mizz Katerina