outlook express cannot be opened.. why?

Start here: http://www.insideoe.com/problems/errors.htm#crashGeneral OE Caveats:- Don't use Inbox or Sent Items to archive messages. Move them to local folders created for this purpose.- Empty Deleted Items folder daily.- Frequently perform a manual compact of all OE folders while "working offline". More athttp://www.insideoe.com/files/maintain.htm- Do not cancel Automatic Compacting, should it occur, and do not attempt to close OE via Task Manager or shutdown your machine if Automatic Compacting is taking place.- Disable email scanning by your anti-virus application. It can cause corruption (i.e., loss of messages) and provides no additional protection: Why you don't need your anti-virus to scan your email http://thundercloud.net/infoave/tutorials/email-scanning/index.htmYou will find support for Outlook Express in this public newsgroup (at least for now): http://www.microsoft.com/communities/newsgroups/list/en-us/default.aspx?dg=microsoft.public.outlookexpress.general~Robear Dyer (PA Bear) ~ MS MVP (IE, Mail, Security, Windows & Update Services) since 2002 ~ Disclaimer: MS MVPs neither represent nor work for Microsoft