My desktop is blank and i cant set wallpaper?

ummm i got up this morning and went on the computure and the desktop was blank but the icons where still there.

i tryed doing desktop right click %26gt; propoties %26gt; desktop but it woundnt let me select any background..

i scanned my computure with 3 virus scans they found nothing... i used AVG free addition, spyware begone and spy hunter 3.

then i used spyware begone on safe mode using the smart scan and it found spyware downloader i deleted that still did'nt fix. i tried doing the Registry edit and still did'nt fix. HELP!!!!

My desktop is blank and i cant set wallpaper?norten

It means that your computer is already infected with spyware viruses and they are invincible. The only thing now left to do it formatting.