[Bling Crosby]

Hello. I am using Windows XP home edition. Sometimes, however, when I start it (the computer) it just sort of hangs and all I get is the desktop (in my case the red desert picuture) with no toolbar or icons. Would appreciate any advice. What I normally do to remedy it is to poweroff the machine and when I restart it it is ok. It only happens once in a while. There doesn't seem to be a virus present