I have a problem regarding my Computer.?

My Computer having a problem to log on i think some virus is in my computer sending msgs.that i have to download softwares regarding my computer security from windows security Alert or XPNorton2008 %26 ''X'' in a red circle also flashing in the task bar so many windows opened if i dont close them %26 after downloadingAt%26T protection software my computer becomes slow %26 it always happens whenever i download this software.

I have a problem regarding my Computer.?virus protection software

you are infexcted with malware; dont open the links; use the spyware doctor to get rid of it;

The free edition of spyware doctor, The best for removing spyware, adware and malware and it finds backdoor trojans and its free, ( Recommened)

http://www.download.com/Spyware-Doctor-S...

PREVX 1sass and malware remover

http://fileinfo.prevx.com/QQ177616957394...

SG

I have a problem regarding my Computer.?adware

go read everything at

http://www.spywareinsider.com/removal.ht...

it has all the information you need and it has very simple instructions on removing computer virus and spywares.. it helped clean up mine. it also has a couple of free apps that you can use.
Don't download anything.

Open up your Norton 2008, run the live update and then run a full scan. If a virus is found quarantine it.

Then run a spyware cleaner.

Hopefully that will all fix it.