Home page redirects to question plugin

hi,

i have installed the Q A forum plugin after that , home page getting redirected to question page..

http://www.superthemes.net/test/

i have deactivated and also deleted when that is not helps.. even after that its going to question page.

any one can guide me where i can look at it to remove the redirection…

no change in .htaccess file.

plugin used: http://wordpress.org/extend/plugins/question-and-answer-forum/

Thanks
Arun