Installing AVG ultimate

Hello Vineet,
We are sorry to know that. As you have already installed AVG free in your computer. You can activate this product to pro version by following the steps from this link http://support.avg.com/SupportArticleView?urlname=Activate-AVG-Zen-Protection-Performance-or-Ultimate. If you still have any issue, please let us know and we will assist you further.
Thank you

hi,
  I have free version of AVG Zen installed on my system.
  Recently purchased AVG Ultimate for one year but i am not able to install it on my system.
 
  I keep on getting errors.
  error code 0x0010058.

  If anybody has idea please let me know

Hello Vineet,
We are sorry to know that. As you have already installed AVG free in your computer. You can activate this product to pro version by following the steps from this link http://support.avg.com/SupportArticleView?urlname=Activate-AVG-Zen-Protection-Performance-or-Ultimate. If you still have any issue, please let us know and we will assist you further.
Thank you