Membership Plugin creating membership pages through settings results in 404 errors for all pages.

Membership Plugin creating membership pages through settings results in 404 errors for all pages.

I currently have the permalink structure of "Pos Name"

This happes when the plugin generates any of the following pages

Account
Congrats
Register
Your Subscription

Please advise.

Thanks!

PS. I had a friend fix this once, it had something to do with .htaccess file.