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Error message when you try to read or to delete e-mail, or when you click "Send/Receive" in Outlook: "An unknown error has occurred" or "Messaging interface has caused an unknown error"

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Article ID:814441
Last Review:April 11, 2007
Revision:4.1
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This article is intended for a beginning to intermediate computer user.
You may find it easier to follow the steps if you print this article first.

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Symptoms of the problem

When you try to read e-mail in the Microsoft Outlook Inbox, or when you click Send/Receive, you may receive one of the following error messages:
An unknown error has occurred. 0x80040119
An unknown error has occurred. 0x80040600
When you try to delete e-mail, you may receive the following error message:
Messaging interface has caused an unknown error

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Steps to resolve the problem in Windows Vista

Step 1: Exit Outlook

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Step 2: Find the Outlook .pst file

a. Click StartStart button, and then click Control Panel.
b. If you see the Control Panel Home view, click User Accounts and Family Safety.

Note If you do not see the Control Panel Home view, go to step 2c.
c. Click Mail.
d. Click Data Files.
e. Click Personal Folders, and then click Settings.
f. Note the text in the Filename box.

Note You may have to click in the Filename box and then use the RIGHT ARROW key to view all the text.
g. Click OK, and then click Close two times.

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Step 3: Find the Inbox Repair Tool

a. Use one of the following methods, as appropriate for the version of Outlook that you are running:
•Microsoft Outlook 2002

Click Start Start button , type %ProgramFiles%\Common Files\System\Mapi\1033\ in the Start Search box, and then press ENTER.
•Microsoft Office Outlook 2003

Click Start Start button , type %ProgramFiles%\Common Files\System\MSMAPI\1033\ in the Start Search box, and then press ENTER.
•Microsoft Office Outlook 2007

Click Start Start button , type %ProgramFiles%\Microsoft Office\Office12\ in the Start Search box, and then press ENTER.
b. Find and then double-click SCANPST.

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Step 4: Use the Inbox Repair Tool

a. In the Enter the name of the file you want to scan box, type the path and file name of the Outlook .pst file that you found in step 2.
b. Click Start.
c. After the Inbox Repair Tool operation is complete, click OK.

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Steps to resolve the problem in Microsoft Windows XP

Step 1: Exit Outlook

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Step 2: Find the Outlook .pst file

a. Click Start, and then click Control Panel.
b. If you see the Pick a category view, click User Accounts.

Note If you do not see the Pick a category view, go to step 2c.
c. Click Mail.
d. Click Data Files.
e. Click Personal Folders, and then click Settings.
f. Note the text in the Filename box.

Note You may have to click in the Filename box and then use the RIGHT ARROW key to view all the text.
g. Click OK, and then click Close two times.

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Step 3: Find the Inbox Repair Tool

a. Click Start, and then click Search.
b. Click All Files and Folders.
c. In the All or part of the file name box, type Scanpst.exe.
d. Change the selection in the Look in box to the local hard disk. For example, change the selection to Local Disk (C:).
e. Click Search.
f. When the search is complete, double-click SCANPST.

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Step 4: Use the Inbox Repair Tool

a. In the Enter the name of the file you want to scan box, type the path and file name of the Outlook .pst file that you found in step 2.
b. Click Start.
c. After the Inbox Repair Tool operation is complete, click OK.

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APPLIES TO
•Microsoft Office Outlook 2007
•Microsoft Office Outlook 2003
•Microsoft Outlook 2002 Standard Edition

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Keywords: 
kbceip kbnomt kbexpertiseinter kbexpertisebeginner kbtshoot kbreceivemail kberrmsg kbprb KB814441

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