Arrange an XP OEM CD
and insert it into your CD/DVD Drive
and follw the procedure given below
1. Run the setup and when the first screen of setup appears on screen Press "R" Button onto your keyboard.
2. When DOS Screen appears press 1 and Enter Button.
3. Enter you Password If None Press Enter.
4. And Carefully Enter These Commands:
cd \windows\system32\config (without quotation mark)
ren system system.bad
copy \windows\repair\system
Let the files to be copied and reebot your machine...
And you have Done It!
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