Epson scanner not connected

Hi Paul, 

We will help you in this.
Disable the AVG protection temporarily and check if you are able to access the scanner. You can refer the below article for the steps : 
Temporarily disabling AVG AntiVirus protection (https://support.avg.com/SupportArticleView?urlname=Disable-AVG-Antivirus)

Epson Perfection V550 Scanner showing "not connected" when it is connected is this a firewall connection?

Hi Paul, 

We will help you in this.
Disable the AVG protection temporarily and check if you are able to access the scanner. You can refer the below article for the steps : 
Temporarily disabling AVG AntiVirus protection (https://support.avg.com/SupportArticleView?urlname=Disable-AVG-Antivirus)