The "Powered by" comes from your Twitter Auto Publish plugin/widget, regarding the "?>" it's a mistake from your php files, did you edit theme files i.e. footer.php?
Moderator
GK User
Mon Sep 05, 2016 6:34 pm
thx help ,
i not found ?> in theme files i.e. footer.php
Junior Boarder
Joshua M
Tue Sep 06, 2016 7:43 am
Did you modify theme files? please try to restore ALL default Game theme files.