I cant install the protection in AVG free

When i install it, they said this.  
Error code: 0xC0070643
Description: Event exec_finished 
Please help me

Hi Arrick,
Sorry for the inconvenience,  we will help you with the installation .
Have you installed any other Anti Virus program other than AVG ?
Are you installing AVG program in your computer for the first time ?
Please let us know and we will solve the issue
Thank you

Hi Arrick,
Sorry for the inconvenience,  we will help you with the installation .
Have you installed any other Anti Virus program other than AVG ?
Are you installing AVG program in your computer for the first time ?
Please let us know and we will solve the issue
Thank you

No i have not. I have installed AVG Internet Security 2014 on my computer but it got removed when i update it to windows 10. I tried using the AVG remover and reinstall avg internet security 2014 but it cant run in windows 10. After that i tired using AVG free but it still cant work.

Thank you for trying the instructions, Arrick.
We really appreciate your efforts and patience.
In this case, I have sent you an email with further instructions to be followed to get our additional support.
Please check for the email on spam or junk folders if it is not present in the inbox.