Hi QBarrie, You should be able to return to 4.7. We think this is an issue related to being unsubscribed to our primary filter list, EasyList. To enable EasyList, please click the AdBlock button in the browser toolbar and select Options. On the Filter lists tab, select "EasyList". Refresh the page where you were seeing ads. This should resolve this issue but please reach out to us at [email protected] if the problem persists. --AdBlock Support