Unfortunately, Outlook Express can be difficult to work with at times. Especially if you run into an error while trying to use it.
Dozens of things can cause errors with Outlook Express. Most of them are failed connections, Address errors, failed email delivery, POP issues, and strange Outlook crashes.
Unable to connect to email server errors are perhaps the quickest to fix. Restoring your Internet connection usually takes care of it.
Opening Outlook to get an Address Book error is difficult to fix. More so if your registry keys for it have become corrupt.
Bad email and failed delivery are both part of regular email errors. Slow Internet connections or a bad server is usually the fault.
POP errors are similar to email errors. Usually there is a problem with your connection or the email server you are trying to connect to and use.
Outlook itself can crash with a wide range of errors. Reinstalling Outlook usually corrects the problem.
Hopefully some of these things will help in dealing with Outlook Express errors you may have. Unfortunately, even these fixes may not work and may require additional assistance from another program or application.