Membership Plugin activated and configurated with strangers level but page does not load

I’ve done all the 11 steps on quick start guide and all the information on the plugin installation and documentation. But when I try to load the page I’ve got this message: “Firefox has detected that the server is redirecting the request for this address in a way that will never complete.” or using Chrome “The webpage at http://XXXXX has resulted in too many redirects. Clearing your cookies for this site or allowing third-party cookies may fix the problem. If not, it is possibly a server configuration issue and not a problem with your computer.”

If I am logged in at administration page, it can be load. If I deactivate the membership plugin I can load without be logged in.

I’ve already done the Stranger settings, and checked all the pages as Positive rules to this level.

What should I do?

Thanks and regards,