When you try to use Hotmail in Microsoft Outlook, you may receive one of the following error messages: -or- -or-

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:

Use the following steps to resolve this behavior:

1.	Click Start, point to either Search or Find, click Files or Folders, and then find and rename the following files: Pstprx32.dll to Pstprx32.old Outlph.dll to Outlph.old Outlcm.dll to Outlcm.old
2.	Click Start, and then click Run.
3.	In the Open box, type regedit.
4.	Locate the following keys for your operating system: For Microsoft Windows NT and Microsoft Windows2000: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\{current profile}\ For Microsoft Windows 9x and Microsoft Windows Millennium Edition (Me): HKEY_USERS\.DEFAULT\Software\Microsoft\Windows Messaging Subsystem\Profiles\{current profile}\ After you locate the registry keys, export and delete the reference to the Hotmail personal folders (.pst) file or the Hotmail account settings.
5.	Close all Microsoft Office programs (except for Outlook) that you are currently running, and verify that all anti-virus utilities are disabled.
6.	Run Detect and Repair from the Outlook Help menu, and verify that both the restore my shortcuts while repairing and discard my customized settings and restore default settings options are in the repair menu.
7.	Reboot the computer, and then restart Outlook. You will receive a prompt to set up the e-mail accounts.