Error message (0xC0070643:General Error(0xo643)) when installing AVG Ultimate

I cannot get past this error message to do an initial installation of AVG Ultimate. I don't have any conflict with previously installed AVG software having run the AVG removal tool and deleted it upon completion.

Hi Edward,
We regret the inconvenience. let us work together to fix the issue. In-order to fix the issue please kindly follow the below steps.
Before installing AVG Ultimate please run the below tools.
AVG Clear tool: https://share.avg.com/steam/PSP/AVG2017/AVG_Clear.exe
AVG Remover tool: http://files-download.avg.com/util/tools/AVG_Remover.exe

After running all the above tools please restart the PC and follow the below link to install the AVG Ultimate.
http://files-download.avg.com/inst/mp/AVG_Ultimate_761.exe
If you need any further assistance, please feel free to contact us. We are always here to help you with your issue.
Thank you.