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Do you mean the "Help" application in the Finder?

Maybe deleting the prefs could work:
com.apple.help.plist
com.apple.helpui.plist
com.apple.helpviewer.plist

(in <yourhome>/Library/Preferences/)
 
Try deleting the Help Viewer cache folder located at Home/Library/Caches/com.apple.helpui/. Deleting this folder and the files that MacsRgr8 listed has fixed all Help Viewer problems that I have seen.
 
GiantsFan -

I have the same problem... just noticed it and came here looking for help. Thanks for starting the thread.

I repaired permissions, ran the three CRON jobs in terminal and deleted the Help plist... none of which worked.

HexMonkey said:
Try deleting the Help Viewer cache folder located at Home/Library/Caches/com.apple.helpui/. Deleting this folder and the files that MacsRgr8 listed has fixed all Help Viewer problems that I have seen.

Thanks HexMonkey! Deleting the folder cleared up the problem.
 
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