Microsoft Outlook Express Starts Very Slowly
(Imagehlp.dll file is missing or damaged)
http://support.microsoft.com/?kbid=235300
Delayed Response When Editing Internet Explorer Forms and
Microsoft Outlook Express may take a long time to start
(Pstores.exe and Pstores.dll)
http://support.microsoft.com/?kbid=251787
http://support.microsoft.com/?kbid=271510
OLEXP: Outlook Express Slow to Open Mail and Web Links
http://support.microsoft.com/?kbid=311030
Also see:
http://insideoe.tomsterdam.com/problems/performance.htm

Signature
Mike - http://pages.prodigy.net/michael_santovec/techhelp.htm
> outlook takes ages to load