Diplay problem

[manjitynr]

This user has been denied support.

hello
i am facing a problem on main page.
in index ad plugin i used centre tag
after that my forum display changed after deactivating plugin also display remain unchanged please help to restore it my other pages are working properly
my forum address
http://www.manjit.x10.mx/forum

[Paul H.]

Something was not taken out of your templates when you deactivated the plugin.

Check your index template or global template.

[manjitynr]

This user has been denied support.

Something was not taken out of your templates when you deactivated the plugin.

Check your index template or global template.

would you help me that which template is changed.
so i can restore it from installation files. thanks

[Paul H.]

Go to your templates and click on the index or global templates and click Expand>Options>Revert to Original

[manjitynr]

This user has been denied support.

i have option to edit only