It is a really a frustrating situation to say that I have got an invalid QuickHeal Total Security 2011 product key. I have bought the Quick Heal Total Security 2011 package which had product key included in it. MY system is running Windows 7 Home premium. I have installed it and then it asks for product key to activate the software. I entered it as it is but it failed to accept the key. Every time it is showing the same error message: Invalid Product Key. What can I do?
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