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Outlook Express 6.0 could not be started (0x8007007E, 126)

By nussbash ·
You are receiving the following messages:

Outlook Express could not be started. The application was unable to open the Outlook Express message store Your computer may be out of memory or your disk is full. Contact Microsoft support for further assistance. (0x8007007E, 126)

Outlook Express could not be started because MSOE.DLL could not be initialized. Outlook Express may not be installed correctly.

Here is a solution for a system configured with XP Pro SP3 and IE 8 Beta:

1. Start->Run->%systemroot%\inf.
2. Locate msoe50.inf.
3. Right-click on msoe50.inf and choose Install.
4. A dialog will open looking for setup50.exe. In another window, search your computer for the file. Record the path and submit it to the dialog. The path is likely the location of file stored following the installation of XP SP2.
5. Dialogs will open searching for msoe.chm and msoe.hlp. A version of msoe.chm is probably resident in the same directory as setup50.exe. A copy of msoe.hlp is probably elsewhere on your computer. Again, copy the paths and submit them to the respective dialogs.
6. Launch OE.
7. OE might have created a new identity. It will open a wizard to import an account. Import your account details, if possible.
8. Browse to Tools->Options->Maintenance. Change the storage folder to your old message store. Relaunch OE.

Note that this corruption of OE will stop an upgrade from OE to Outlook.

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"Outlook Express 6.0 could not be started"

by CharlieSpencer In reply to Outlook Express 6.0 could ...

You say that like it's a bad thing.

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by nussbash In reply to "Outlook Express 6.0 coul ...

Thanks for the laugh. Yes, in this case it was a bad thing. The client had not been migrated to Outlook. The upgrade from OE to Outlook requires a working copy of OE. When I have some more hours to devote to this client, which will be soon, I will migrate away from OE and leave behind easily-broken message stores and a largely unmaintainable application.

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A two year old post restores Outlook Express Operation

by chris In reply to Outlook Express 6.0 could ...

In July 2010, after upgrading an XP sp2 laptop to sp3 (required to play around with Powershell) Outlook Express would only give the exact error you mentioned above. Reinstall of IE7 was not help.

I want to take a moment to say thanks to you for posting this. It worked perfectly.

Best regards,
Chris Burke

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