HI I have one problem. . . I've been using vista sp1 for more then year . .and now I want to upgrade it to sp2 .. . I dl vista oem integrated sp2 but i cant update it . .I have only clean install option but no upgrade . . I cant click on it .. just clean install sp1 is x86 and sp2 is x86 so this is not a problem . .. Ive tried and boot from DVD and still nothing. . the same