Please understand we are not UddeIMs developer so we can not help you with UddeIM issues. You can post your UddeIM issues to the UddeIM forums below.
www.joomlapolis.com/forum/25-uddeim-plugin-and-component
With that said it sounds like corrupt menu items. To fix them you need to navigate to the _menus database table. Find UddeIMs menu items (probably at the very end), delete them, then re-install UddeIM.