Hi Everbody, Iam very new to Vista, I have installed Vista Ultimate edition in my box. I see a very strange issue with my installation. I have changed my desktop background (wallpaper) and every thing works fine. Now if I lock my box by using (ctrl + alt + del & lock), my wallpaper change is not getting reflected . I see the dam old vista's wallpaper . Please help me out in solving this issue. I tried every dam things with registry and nothing helped out. Thanks, Nura.