Product Key required while i on my laptop

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Whenever i on my laptop an error msg is coming..... "Window vista ultimate product key required"

They are asking my product key....

I have tired the one behind my laptop, however its not working..... Kindly suggest.

My laptop is of sony vio and model number is vgncr12gh/b


1 reply

Dear Payal,

If the one that has been provided to you doesn't work, please consider getting it from the distributor or the manufacturer directly.

Thank you.