Protected Content in URL Groups is No Longer Working

Protected Content in URL Groups is No Longer Working. I've created and used URL Groups to block certain content from different access levels, and while this worked before, it is now not functioning on my site. I had an earlier version of membership, which causes a loop with signed in members and could not access the site at all. I upgraded to the latest version, and at first the Level 1 would not see any of the site at all, and now it is not protecting any content at all. Please advise asap. Thanks