Virus problems?

i entered pirate bay then i saw a banner ad at the left side of the website which shows profiles of girls from our country(i think those banner ads are porn related), do my pc have a virus?, i have an updated avg, spybot, and a antispyware

Virus problems?husqvarna

Don't think so unless your computer start to have funny behaviors. Just run avg scan and spybot for ensureance.

XR

Virus problems?microsoft office

Just to be safe download these things it will help keep your computer safe.

AVG Anti-Virus: http://free.grisoft.com/filedir/inst/avg...

Kaspersky Anti-Virus: http://www.kaspersky.com/anti-virus_tria... (Only Trial)

Also download

AVG Anti-Spyware: http://free.grisoft.com/filedir/inst/avg...

AVG Anti-Rootkit: http://free.grisoft.com/filedir/beta/avg...

ZoneAlarm free: http://downloads.pcworld.com/pub/new/pri...

Firewalls

Comodo free: http://download.comodo.com/cpf/download/...

Sygate Personal firewall: http://www.pcworld.com/downloads/file_do...

PC-cillin Internet Security (Trial): http://www.trendmicro.com/en/products/de...
My guess is that porn site is the sponsor of the pirate bay and when you went to there site you downloaded that pop up ,however it doesn't necessarily mean you have a virus.
AVG is no good, install some decent anti virus like Mcafee
stop the virus