Compaq presario cq40
Showing this copy of window is not genuine

I purchased my laptop-COMPAQ PRESARIO CQ40 in june.everything was giong fine..bt now i dont know how i got sme window updates..& i installed it online..bt after installing it is showing that-THIS COPY OF WINDOW IS NOT GENUINE. Please help me to understand this & also help me to solve this problem as soon as it possible. I stay in allahabad & i dont know where is the service center.

Company: Compaq presario cq40
Country: India

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