Reinstalling won't delete any settings.
Without exact error information it is impossible to provide any specific
recommendation but it sounds you need to start with doing a repair on the
Office installation first.
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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"Lloydie" <Lloydie@discussions.microsoft.com> wrote in message
news:3F265FA1-89EC-4130-86F1-425CF13BD180@microsoft.com...
> Dear All
>
> I have Outlook 2003 SP2 on laptop (cached mode) and it keeps crashing at
> startup (application hang in event viewer). I do not want to uninstall and
> re-install Office 2003 as this user has tweaked their outlook so much that
> it
> will be a headache to put it back.
>
> If I try and install SP3 for Office 2003 it fails with msi errors, this is
> where the issue is. Has anyone seen this issue beofre?
>
> Thanks
>
>