How to protect your PC from Internet blackout...

Zeenews Bureau

New Delhi: Internet users can get their computers checked for presence of `Alureon/DNS Changer bot` virus.

You can visit US government approved website http://www.dns-ok.us - and check whether your computer gets an `all-clear` symbolized by the green background (see picture) or an `at risk` which is symbolized by red background.

Detailed information on ways to identify and clean up the virus can be found on a website that a group of security firms and other experts set up: www.dcwg.org.
Despite repeated alerts, the number of computers that probably are infected is more than 277,000 worldwide, down from about 360,000 in April.