I have not been able to uninstall searchbenny. I have a mac and I'm using foxfire. I deleted install mac, emptied trash and reset google chrome settings. And

I have not been able to uninstall searchbenny. I have a mac and I'm using foxfire. I deleted install mac, emptied trash and reset google chrome settings. And restared computer. Search benny.com still comes up as search engine. I'm very frustrated. Can anyone help.