The issue focused on Microsoft with Windows XP - Microsoft agreed to replace Windows XP with Windows 7 at the end of 2007 (again). Windows XP never stopped working after July 2007 and Windows 7 continued to work until November 2009. Windows XP users still run Windows XP because Windows XP doesn't stop working after July 2007. Windows XP users run Windows 7 because Windows 7 continues to work after November 2009. Windows XP users run Windows 7 because Windows 7 continues to work after November 2009. Windows XP users run Windows 7 because Windows 7