Error when updating virus definition

Hello Antonio. I would request you to run AVG remover tool based on your OS (32-bit or 64-bit) to completely remove AVG and then re install. To determine whether your OS is a 32-bit or 64-bit, please click on this link. http://support.microsoft.com/en-us/kb/827218

To download the remover tool, please click on this link: http://www.avg.com/utilities .
Thank you.

Hello all,

I have installed on my laptop AVG antivirus free Edition 2015 and I have a recurrent error when I updating the virus definition. The error is: General Error! Impossible to update!
I have reinstalled several times and at this time the virus definition is update but then the next time I use computer, again the same error!
 
Can you please help me.
 
Thanks

Hello Antonio. I would request you to run AVG remover tool based on your OS (32-bit or 64-bit) to completely remove AVG and then re install. To determine whether your OS is a 32-bit or 64-bit, please click on this link. http://support.microsoft.com/en-us/kb/827218

To download the remover tool, please click on this link: http://www.avg.com/utilities .
Thank you.