Outlook Express Won't Start

Outlook Express is a part of Windows' Internet Explorer that manages Internet mail. It supports mail accounts such as POP3, IMAP and HTTP. If Outlook Express won't start, it could stem from damaged files, conflicting applications or invalid settings. Troubleshooting Internet Explorer might resolve Outlook Express issues. Repairing Outlook Express only requires a few small adjustments. You can return Outlook Express to normal functioning within minutes.

Instructions

Delete Browser History

1. Open the Internet Explorer program.

2. Open "Tools" and click "Internet Options." Select "Delete" under the "Browser History" section. Exit Internet Explorer.

3. Reboot your computer and attempt to launch Outlook Express.

Re-register Outlook Express and its Files

1. Click the Windows logo or "Start" button in the bottom-left corner of the desktop.

2. Open "All Programs" or "Programs." Click "Accessories."

3. Right-click "Command Prompt" and click "Run as Administrator."

4. Type the following commands in the prompt and press "Enter" to re-register Outlook Express and its files:

   regsvr32 urlmon.dll

   regsvr32 shdocvw.dll

   regsvr32 browseui.dll

   msimn /reg

   Exit the Command Prompt.

5. Open Internet Explorer. Open "Tools" and select "Options" or "Internet Options." Click the "Programs" tab and choose Outlook as the primary email client.

6. Exit Internet Explorer and attempt to launch Outlook Express.

Reset Internet Explorer

1. Open Internet Explorer.

2. Click "Tools" and click "Internet Options."

3. Open the "Advanced" tab and click "Reset." Choose "Reset" again once the reset settings prompt appears.

4. Exit Internet Explorer and attempt to open Outlook Express.

References

• CTI: Repair or Reinstall Outlook Express
• Microsoft: An Outlook Express Basic Repair Kit