User cannot open a certain Outlook calendar item

I have a user who has a recurring meeting on her Outlook 2007 calendar (actually it's an all staff meeting so pretty much everyone in my company has it).  However, when she tries to open ANY instance of this recurring meeting, she gets a pop up box saying:  "Cannot open this item.  The operation failed.  The object cannot be found".  I get the error as well if I access her calendar, so it can't be related to the PC itself (I already tried deleting the frmcache.dat files and realized since I cannot open it either, it's probably not that).

The most annoying part is that she keeps getting reminders for the most recent meeting (they happen weekly) and it won't allow her to decline it.

Any ideas?
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Jeff BeckhamEngineerCommented:
It's probably a corrupt calendar entry.  If you have another store available, try moving the user's mailbox to a different store and specify to skip some number of corrupt items (50) during the move.  If don't have another store to move the user's mailbox to, you may need to try performing a repair with isinteg/eseutil.  For more details, see:  Note that you'll want to backup your database(s) before using them and you'll have to bring the store offline to run either of these tools.

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Try opening Outlook in safe mode, click start - run - outlook /safe and see if you are able to access the calendar items.  If you can now open the appointments in safe mode then in Outlook go to:
Tools --> Options --> Other --> Advanced Options

and disable all Add-Ins under both "Add-Ins Manager" and "COM Add-Ins".

Now restart Outlook in normal mode and see if you are able to access the items.
Jeff BeckhamEngineerCommented:
Also note, focus on the health/integrity switch for ESEUTIL:  ESEUTIL /G
Tex_ka95Author Commented:
Moving the mailbox did the trick!
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