AVG AntiVirus - Installation failed

AVG said my Mac wasn't up to date, but every time I hit the refresh icon within AVG, it wouldn't update. I uninstalled and reinstalled AVG but now I'm getting the error message "The installation failed." I've tried multiple times and can't get it working.

Hello Brandon,

I understand that you are unable to complete the installation of AVG on your Mac computer.

Please send me the screenshot https://support.apple.com/en-us/HT201361 of the error message you receive, we will check the same and assist you further.

Brandon, For your info, just in case that you are unaware, you can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions. 
AVG Guru

User-added image

Brandon, For your info, just in case that you are unaware, you can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions. 
AVG Guru

User-added image

Thank you for providing us the screenshot.

Please use this link http://mac.sl.u.avcdn.net/macosx/avg/avg_securevpn.dmg and check if you are able to complete the installation.

Also check if you do not have any other security software installed on your computer.

If you face any difficulties, please let us know and we will assist you further.