http://download.microsoft.com/download/f/6/4/f648c363-6975-470c-8202-ac5aea706109/WindowsXP-KB835935-SP2-CHS.exe
MicroSoft:http://support.microsoft.com/sp或http://search.microsoft.com/results.aspx?q=%E5%AE%89%E5%85%A8%E5%85%AC%E5%91%8A&l=1&mkt=zh-CN&FORM=QBME1
微软的网站