Disappear of control panel on my start button (My ops xp media center )?

Disappear of control panel on my start button (My ops xp media center )If search in my search desk also so appear in my menu what should I do?Disappear of control panel on my start button (My ops xp media center )?
right click on ';start'; button





open ';properties';





select ';start menu'; tag





click on ';customize'; button





add ';control pannel ';

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