The firewall block the windows operating system

How can I unblock the windows operating sytem in the firewall? I downloaded the comodo but the Firewall block the windows operating system and cant open most of the windows like system restore. Im trying to uninstall the cis but it blocks me to do. Please help me on this one it makes my computer misserable.

Hello Flyguy;

May i ask what version of CIS do you have? Also; Can you check in defense+ events and post a screenshot of it;

Jake