Make Windows Genuine by a simple trick
BEFORE

Right click your desktop and select new text document.
Open that document and paste the following info.
Code:
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion] “CurrentBuild”=”1.511.1 () (Obsolete data - do not use)” “ProductId”=”55274-640-1011873-23081″ “DigitalProductId”=hex:a4,00,00,00,03,00,00,00,35,35,32,37,34,2d,36,34,30,2d,\ 31,30,31,31,38,37,33,2d,32,33,30,38,31,00,2e,00,00,00,41,32,32,2d,30,30,30,\ 30,31,00,00,00,00,00,00,00,86,56,4e,4c,21,1b,2b,6a,a3,78,8e,8f,98,5c,00,00,\ 00,00,00,00,dd,da,47,41,cc,6b,06,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,38,31,30,32,36,00,00,00,00,00,00,00,b5,16,\ 00,00,83,83,1f,38,f8,01,00,00,f5,1c,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,66,e5,70,f3 “LicenseInfo”=hex:33,b7,21,c1,e5,e7,cd,4b,fd,7c,c6,35,51,fd,52,57,17,86,3e,18,\ d3,f4,8c,8e,35,32,7b,d1,43,8d,61,38,60,a4,ca,55,c9,9a,35,17,46,7a,4f,91,fc,\ 4a,d9,db,64,5c,c4,e2,0f,34,f3,ea [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WPAEvents] “OOBETimer”=hex:ff,d5,71,d6,8b,6a,8d,6f,d5,33,93,fd
In notepad click <file> then <save>. For file type in the save dialog box
select “all files” and for the filename type in License Key.reg or whatever you want. It doesn’t matter as long as it has the .reg extension. Click save. Double click the file thats now on your desktop. It will ask you are you sure. Tell it yes.
AFTER

If you wanted to check whether ir worked or not go to
Code:
http://www.microsoft.com/genuine/downloads/FAQ.aspx
and click on “Validate Windows” over on the right
THIS TRICK IS ONLY TESTED ON XP AND ITS WORKING 100%..I HAVENT TESTED THIS ON VISTA

thanks a lot man, this worked like magic and my windows xp sp2 is now showing to be genuine
THANKS AGAIN!!!!