Installation Internet Security fails

AVG Protection
3

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

1

I have Windows Vista and tried to install AVG Internet Security 2015. I have removed all conflicting programs but every time I try to install I get the same warning:
Error code 0XC0070643, and someting like general interal error, installation of driver program failed.

2

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