PRO VERSION ASK ME TO UPGRADE TO PRO VERSION :o(

As you can see below, i've just bought divx7 pro...
Each time i try to convert mts files, the converter ask me to buy divx pro
again....
is that something i must do ?
Thx for your answer
Jean-Thierry DEBORD

--------------------------------------------------
From: "DivX"
Sent: Thursday, June 18, 2009 1:40 PM
To:
Subject: Your DivX.com Order Confirmation 203056214

> DEBORD Jean-Thierry,
>
> Thank you for purchasing DivX software! Please save a copy of this email
> as your proof of purchase.
>
> Name:
> DEBORD Jean-Thierry
>
> Order Number:
> 203056214
>
> Order Date:
> 06/18/2009
>
> Customer Number:
> 43959471
>
> Email address:
> jtdebord@gmail.com
>
> Address:
> *******************
>
> CARNAC
>
> France
>
> Payment Method:
> MasterCard
>
> Product Name Qty Type Price
> ----------------------------------------------------------------------------
> DivX Pro 7.0 For Windows: DivX Pro give 1 Download Version US
> $19.99
> Multilingual
> Win2000/Windows Vista/Windows Vista 32 bit/WinXP
> Item No.: 413182
> License Number: SIYF6QE6GJ3GCW******
>
>
>
> Subtotal: US $19.99
> Shipping: US $0.00
> Tax: US $3.80
>
> ----------------------------------------------------------------------------
> Total: US $23.79
>