Try starting Outlook with the /CleanRules command line switch:
http://support.microsoft.com/kb/826964/en-us
Rules That You Created in Outlook 2002 Are Not Visible in Outlook 2003, but
the Rules Are Visible in OWA
Hal

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Hal Hostetler, CPBE -- hhh@kvoa.com
Senior Engineer/MIS -- MS MVP-Print/Imaging -- WA7BGX
http://www.kvoa.com -- "When News breaks, we fix it!"
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> I have been trying to delete rules created in the "Rules Wizard." I have
> unchecked them, and deleted them. I have modified them telling them to stop
> processing and then deleted them and each time they come back. How do you
> delete them?