Windows Server

Hello Alexandros, 
Thank you for contacting AVG Community Support.
We understand that you want to use AVG Internet Security in Windows Server 2019. We'll certainly check and help you out.
AVG Antivirus Free/AVG Internet Security is not supported (is not compatible, cannot be installed, and will not run) on DOS, Microsoft Windows editions earlier than Windows 7, Microsoft Windows Server operating systems, or any others not specified as supported.

Please note the minimum system requirement to use AVG Antivirus/AVG Internet Security is Windows 11 except Mixed Reality and IoT Edition; Windows 10 except Mobile and IoT Edition (32 or 64-bit); Windows 8/8.1 except RT and Starter Edition (32 or 64-bit); Windows 7 SP1 with Convenient Rollup Update, any Edition (32 or 64-bit).

Refer the following article to know more about AVG Internet Security and AVG AntiVirus: https://support.avg.com/SupportArticleView?l=en&urlname=avg-antivirus-faq&retUrl=support_Internet_Security (https://support.avg.com/SupportArticleView?l=en&urlname=avg-antivirus-faq&retUrl=support_Internet_Security)
Thank you and keep us updated.