Uninstall error

Hello Noushaba.
We are sorry to hear about the inconvenience caused. We would request you to run AVG remover tool to uninstall 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. Thank you.

i am trying to uninstall basic free version and it is giving error every time. please help me to remove this. error is
Error code: 0xC0070643
Description: Event exec_finished
Hello Noushaba.
We are sorry to hear about the inconvenience caused. We would request you to run AVG remover tool to uninstall 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. Thank you.