"there was an error while completing the setup process"

Hello Casey,

I will certainly check this for you.

Please share us the screenshot http://avgclick.me/getscreenshot of the error message to assist further.

I have tried to install the lastest vertion of AVG and I just keep getting the Error message:

"there was an error while completing the setup process"

Hello Casey,

I will certainly check this for you.

Please share us the screenshot http://avgclick.me/getscreenshot of the error message to assist further.

User-added image

Thank you for the screenshot.

Please try offline installer and check if that installation gets complete.

https://files-download.avg.com/inst/mp/Antivirus_Free_x64_1818.exe (64 bit)
https://files-download.avg.com/inst/mp/Antivirus_Free_x86_1819.exe (32 bit)

Casey, 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