Error 1406 during installation

Manuela, Have a look @ this article (http://avgclick.me/checkAVGinstall).
AVG Guru

Hi,
I am installing AVG Anti Virus 2015 on my PC (WIN 8.1).
Unfortunately at the end of the installation I get the message 0xC0070643, @AVGMSI_error 1406.
I searched your site and I run your suggestions, downloading tools available, but the problem remains.
how can I do?
Thank You.
Manuela

Hello Manuela, we apologize for the inconvenience caused. We would suggest you to follow the instructions mentioned in the following link http://bit.ly/1BeQXvi . Please feel free to contact us should you need any further assistance.

Manuela, Have a look @ this article (http://avgclick.me/checkAVGinstall).
AVG Guru