Viruses in my pc?

im a xp os user. n my pc is a celeron 1. n its protect by mcafee 8.0i enterprise n i update my antivirus defination daily. my mcafee was working greatly but now i know there r some viruses in my pc but d antivirus cant detect it though of it's update

no. 1 is my folder option has gone. msconfig is not working. folder.exe virus can't detect. when i press ctrl+alt+del 2 run task manager it shows a dialog ''task manager has been disable by administrator''

and also my pc is working seriously slowly. there is a file in every folder name is ''thumbs''

n also mcafee's realtime scan is disable n i cant able 2 enable it.

pls escape me 4rm this

Viruses in my pc?ariel

Try one of these online virus scan http://housecall.trendmicro.com/

http://www.bitdefender.com/scan8/ie.html

http://www.kaspersky.com/scanforvirus

http://www.kaspersky.com/virusscanner

http://www.pandasecurity.com/homeusers/s...

http://support.f-secure.com/enu/home/ols...

you may have many programs running at your startup and you don't need.

if msconfig doesn't work , you can download Ccleaner %26 manage your startup by usnig it (Great cleaner)http://ccleaner.com/

Open ccleaner %26gt;%26gt;tools(left side )%26gt;%26gt;startup%26gt;%26gt;manage your start up as you like

xp_taskmgrenab.exe - Allows you to enable or disable Task Manager for the Current Userhttp://www.dougknox.com/xp/utils/xp_task...