Signing in to use my antivirus

Hi Richard,

We're glad to look into this & help you.
You'll be able to check the apps installed on your MAC by following these steps : Finder - Go - Applications.
Please check & let us know whether AVG Internet Security is listed. 
For better clarity, please share us the screenshot of the message that you receive.

I am able to sign in it states I have AVG subscription, but I can't find where to click to run the software, when I try to download it states I already have the service, what could I do to remove it from my mac book pro then reinstall it

Hi Richard,

We're glad to look into this & help you.
You'll be able to check the apps installed on your MAC by following these steps : Finder - Go - Applications.
Please check & let us know whether AVG Internet Security is listed. 
For better clarity, please share us the screenshot of the message that you receive.