I'm guessing that you just installed SP3 for Office 2003, and got hit by a
bad bug in it. Check http://support.microsoft.com/kb/945674 for a hotfix.

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Doug Steele, Microsoft Access MVP
http://I.Am/DougSteele
(no e-mails, please!)
> Why starting to day I can't see my combo list if the row source is a query
> I'm using MSAccess 2003