Error code 0xC0070643

Hello Rasta,

Sorry for the inconvenience caused.
We request you to run our AVG remover tool once and then try installing AVG free antivirus.
1) To download our AVG remover tool, please click on this link: http://af-download.avg.com/filedir/util/AVG_Remover.exe
2) Run the downloaded file and follow the onscreen instructions.
NOTE: Once the remover tool done with the progress please go to C:\ drive and delete the "AVG remover" folder.

To download AVG free antivirus, please click on this link: http://www.avg.com/ww-en/avg-antivirus-free .
Please feel free to contact us should you need any assistance.

Hello Rasta,

Sorry for the inconvenience caused.
We request you to run our AVG remover tool once and then try installing AVG free antivirus.
1) To download our AVG remover tool, please click on this link: http://af-download.avg.com/filedir/util/AVG_Remover.exe
2) Run the downloaded file and follow the onscreen instructions.
NOTE: Once the remover tool done with the progress please go to C:\ drive and delete the "AVG remover" folder.

To download AVG free antivirus, please click on this link: http://www.avg.com/ww-en/avg-antivirus-free .
Please feel free to contact us should you need any assistance.

I am trying to download AVG Free antivirus but after 96% it says installation failed Error code  0xC0070643 Description: Event exec_finished

What do I do?