Solve : sp1 wont install?

1.	Solve : sp1 wont install?
Answer» Might need to install this HTTP://support.microsoft.com/kb/947821 To check if Windows Service PACK 1 is already installed on your system, right-click My Computer and choose Properties. Under VIEW basic information about your computer, WINDOW 7 Basic Edition, Copyright... Look for Service Pack 1 just below this details.

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