will not install on Windows Server 2008 R2

I need help Comodo will not install on my dedicated server, Also I need Comodo with no AV I cannot find this can any one please help me out? I dont have much cash as I am spending alot on the server,domain and web space. All I want is to install just Comodo no Firewall so i can kill the viruses and make sure my game servers are clean.

Here to read.
https://forums.comodo.com/install-setup-configuration-help-cis-b137.0/-t81114.0.html
The truth is 2012y.