Start with applying Office 2007 Service Pack 1.
Clicking "yes" for the error report will allow Microsoft to analyze your
issue and also make a direct suggestion (if it is a known issue). In this
case it would also have suggested to install SP1.
Post back if that doesn't fix your issue already.

Signature
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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> When I open outlook, send/receive processess, shows "receiving message
> 1 of 25", then crashes. When I say "no" to send error report, it
[quoted text clipped - 10 lines]
>
> thanks