Cannot install product

Hello Ericia,
We are sorry to hear about the inconvenience caused.  We would request you to run the AVG remover tool to remove all the remnants of the failed installation as described below. After you run the remover tool successfully, please download and reinstall AVG.
To run remover tool, please visit http://www.avg.com/tools#tba2 and click on "AVG Remover" to download the remover tool and run it on your PC. It will ask you to select which product you would like to uninstall. Please select "AVG Protection" and follow the setup instructions to uninstall AVG.
If you need any further assistance, please let us know which AVG program are you trying to install. Thank you.

keeps on giving me error code 0X0070643

Hello Ericia,
We are sorry to hear about the inconvenience caused.  We would request you to run the AVG remover tool to remove all the remnants of the failed installation as described below. After you run the remover tool successfully, please download and reinstall AVG.
To run remover tool, please visit http://www.avg.com/tools#tba2 and click on "AVG Remover" to download the remover tool and run it on your PC. It will ask you to select which product you would like to uninstall. Please select "AVG Protection" and follow the setup instructions to uninstall AVG.
If you need any further assistance, please let us know which AVG program are you trying to install. Thank you.