Most likely caused by an addin.
Which ones do you have installed?
See
http://www.msoutlook.info/question/88
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
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"islandbrian" <islandbrian@discussions.microsoft.com> wrote in message
news:82B058BF-9393-450B-92BA-3B816DE93F9C@microsoft.com...
> Hello to anyone who can help
>
> Just today, I have started to get an error when closing 2007 Outlook. It
> encounters a problem and needs to close, which is what I was doing in the
> first place. The error data contained in the message states...
>
> AppName: outlook.exe AppVer: 12.0.6300.5000 AppStamp:4760725d
> ModName: unknown ModVer: 0.0.0.0 ModStamp:00000000
> fDebug: 0 Offset: 0304dfc3
>
> I am not sure what to do and if this is a sign of something major. I have
> not recently made any changes to my computer.
> Please help if you can.
> Take care
> islandbrian