Slow computer and popups , HELP

My computer has been slow for the last few days and there have been loads of popups, my norton has blocked spysheriff and a trojan from downloding to my computer can someone help. thanks, i dont know what to do

 

Sounds like your Norton has missed Spyware/Adware.

I reccomend Adware SE or Spybot S&D.

 

sounds like malware ,why don't you run a free panda on line scan. it will tell you what you have.

http://www.pandasecurity.com/homeus...5D4-4DA2-B310-B1DBEC2971F2}&NRCACHEHINT=Guest