NIS gone from system tray..

Good afternoon,

 

After signing off the internet on my desktop computer I noticed my Norton yellow icon had disappeared from the system tray. There is now a non-descript icon in the tray with a popup message saying, Windows has detected spyware infection, click here to download anti spyware soft so that win can cleanup your computer.  

 

Now my Norton NIS will not start and seems to have disappeared from my computer. I tried to reinstall Norton from my software disc and it seemed to work, but the program is not there.

 

 Help,   

 

gator131