HELP!!! widgets wont work with Holo launcher HD

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http://androidforums.com – every time i try to add a widget to my homescreen from my app drawer, i long press a widget like system tools and I get "WARNING...install Holo launcher HD as system app to use the widgets tab (root required), otherwise you can only add widgets by long press on desktop". I'm rooted, by the way. any suggestions? (General)