What is the best free anti virus software to use?

You will need an antivirus, an antispyware, and a firewall on your pc. In case you do not have, here is a suggestion.AVG free antivirus,AVG free antispyware from the same company,

http://free.grisoft.com

Zonealarm free firewall.

http://www.zonelabs.com/store/content/co...

for those who need more protection from keyloggers. Here is a free one.(It is fully functional and free for unlimited use, but displays registration request, kind of nagware, press X to close the nag window)

anti keylogger, keylogger hunter 2.1

http://www.styopkin.com/keylogger_hunter...

If you are a owner of licenced version of windows, then download+install windows defender from microsoft website, it is microsofts free antispyware program for users of genuine windows licence.

What is the best free anti virus software to use?norton 360

Many people will say AVG but in fact recent studies have shown that AntiVir is the best free one.

Personally I'm still using AVG though probably cos I've been using it for so long now.

What is the best free anti virus software to use?photoshop

Download, Install, update and run in safe mode respectively:

AVG Free

Adaware SE

Windows Defender

Spybot S%26D

Problem: Spyware, Adware, Viruses and Trojans