AVG Antivirus 3pcs/1 year

Hello Christina,
I'm sorry to hear that you're experiencing issues with AVG Antivirus installation. Please share a screenshot of the error message to assist you further. You can check the following link to see the instructions about taking the screenshot (http://support.avg.com/SupportArticleView?urlname=How-to-create-a-screenshot).
Best regards,
Alok.

I bought this anti virus for $40 when I try to install i just keep getting 

An Internal error has occured. 

Any suggestions?

Hello Christina,
I'm sorry to hear that you're experiencing issues with AVG Antivirus installation. Please share a screenshot of the error message to assist you further. You can check the following link to see the instructions about taking the screenshot (http://support.avg.com/SupportArticleView?urlname=How-to-create-a-screenshot).
Best regards,
Alok.