Renewed protection/Expired Licensed #

Robert, Please contact Sales Support… Chat with us [AVG] online (http://bit.ly/1bsBJfY).
AVG Guru

Robert, Please contact Sales Support.. Chat with us [AVG] online (http://bit.ly/1bsBJfY).
AVG Guru

I renewed my AVG Protection for a 2 Year protection on February 21, 2015. 
It stated next expiration date is March 31, 2017 after I purchased it.
I logged onto my computer and AVG Popped up stating License Key Expired March 31, 2015.
I typed in the License Key Code and it states it expired. 
Why did my Protection expire when it is paid for?
Can you please help with this matter.