Error 0xC0070643 when installing latest AVG Free edition

Hi, I've had AVG Free Edition for several years now and have been able to update very easily each time. However, I've not been able to install the latest version, AVG 2016/AVG Zen (I think that's the name), because at the end of the installation, I receive the error message
Erro 0xC0070643
Event exec_finished
Despite several attempts, this continually happens. I have even uninstalled AVG and installed from scratch, but still I get this error. I've saved the log file if that will help.

I have OS Windows 10 (64-bit), which I've had since July, and my laptop I've had since April, neither of which caused disruption to the AVG regular updates when I got them.

Cheers,
Charles

Hello Charles,
I understand that you are unable to uninstall the AVG Free.
That’s disappointing but don’t worry. I will take you through alternative ways to do that.
I 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 AVG Remover tool for 32-bit: http://download.avg.com/filedir/util/support/avg_remover_stf_x86_2015_5501.exe
To download AVG Remover tool for 64-bit: http://download.avg.com/filedir/util/support/avg_remover_stf_x64_2015_5501.exe
Thank you.