If you have already increased the SP and still have this problem. Your computer could be infected with a virus.
Take a look at this KB article Q274841 for more information.
Hope this helps 
------------------
Comment heard from a Klingon programmer.
"Our users will know fear and cower before our software! Ship it! Ship it and let them flee like the dogs they are!"
[This message has been edited by Ghost_Hacker (edited 06-22-2001).]
Ferengi Rules of Acquistion:
Rule # 47 Don't trust a man wearing a better suit than your own.