After searching for one day, finally I found it. Recently Google Adsense has started displaying 3rd party, other network ads due to Geo Targeting, somehow these networks include CPAlead for Asian IPs and that's why I am experiencing it and many other people are not. It totally blocks the content...
Ok, Here is the source code of the page which I am receiving and it clearly states "Access Programmers Forum" and I am behind firewall and have updated AVG antivirus, further if the browser is hijacked it should be for all other sites as well but I am not experiencing any problems browsing other...
I am a new user, reached this site searching Google and here how it comes:
http://www.access-programmers.co.uk/forums/archive/index.php/t-105344.html
http://www.access-programmers.co.uk/forums/archive/index.php/t-105357.html...