As statcounter say that windows XP "Still" holds 48% of the market share followed by Windows 7, Windows Vista and MacOSX. It is not exaggeration to say that virtually any one who know computer must have come across Windows XP the serene blue desktop and its intuitive interface.
Time has come to end this beautiful story of Windows XP. Microsoft is all set to end technical support to Win XP by April 2014. Internet Explorer 9 will not run on windows XP.This means you have around 2 years of time to move on to next operating system.