Can't see email on Yahoo

Hi



I had installed Ad-blocker on my Imac (2 GHz Intel Core 2 Duo running 10.6.8). So I activated it to block a pesky ad in my emails and then ALL emails disappeared. They are still there, but I can't see them.



What can I do to access them again?



Thanks

via ehMac.ca http://ift.tt/1sLAjlG