Error code 0xc0070643

Hello Brian,
We apologize for the inconvenience caused.
As we understand you are experiencing issue with installing AVG Antivirus free, is that right?
Mostly this error is occur due to anyother Antivirus program or previously installed AVG on your system.
Is there any other Antivirus program or AVG program installed on your system? If so, please uninstall it and try to install AVG on your system.
Thank you.

Can't install AVG Antivirus Please Help Error code 0xc0070643
Hello Brian,
We apologize for the inconvenience caused.
As we understand you are experiencing issue with installing AVG Antivirus free, is that right?
Mostly this error is occur due to anyother Antivirus program or previously installed AVG on your system.
Is there any other Antivirus program or AVG program installed on your system? If so, please uninstall it and try to install AVG on your system.
Thank you.
I have AVG PC Tuneup 2011 that I cannot uninstall, 
I have AVG PC Tuneup 2015 cannot uninstall
I have AVG1-Click Maintenance
Could one of these be the issue ?
 

Hello Brian,
Thank you for your kind post and for your support of AVG products. That's great to hear your issue has been resolved now. Please feel free to contact us for further assistance.

Hello Brian,
We apologize for the inconvenience caused.
We would request you to run AVG remover tool to completely remove AVG and then re install it.  
Please  click this link http://download.avg.com/filedir/util/AVG_Remover.exe to download and "Run" the AVG Remover tool.
1. Please select the AVG products which are shown in the remover tool window and then start removal process.
2. After the remover tool process is successfully finished, restart your computer.
3. After the restart,  manually delete the AVG Remover folder in the C drive of My computer.
Please feel free to get back to us for further assistance.
Thank you.

Thank you very much, that sorted it out, have my anti virus back up and running, Happy Days :-)