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If your MSN mailhost file is missing or becomes corrupt or otherwise damaged, MSN shows a "Mailhost file" error message. To repair this:

Click Start/Run then type:

regsvr32 c:\progra~1\msn\msncorefiles\mailui.dll

in the open dialog box, and then click OK.


Feedback received on this FAQ entry:
  • Where is "run" in xp?

    2015-03-17 17:50:49

  • tried this. got error message "module could not be found"

    2010-07-19 21:08:59

  • Adding regsvr32 c:\progra~1\msn\msncorefiles\mailui.dll does not solve the problem if I have to shut the system down using the button on my tower. This mailhost is really a problem.

    2010-04-14 10:08:06

  • Thank you SO much. This worked perfectly and saved me from spending $30 to $30 on some product I didn't need.

    2010-01-22 14:14:53

  • Thanks so much this helped took only a second. Meka

    2009-12-21 21:32:41

  • My MSN mailhost had become corrupted and I could not access it. After I followed the steps you listed here my mailbox was restored and I can not access it without problems. These quick steps never seem to work very well but in this case it worked perfectly. Thank You !

    2009-10-03 14:02:08

  • It works! Thanks so much!

    2008-11-15 00:19:24

  • THAT WAS GREAT AND FIXED THE PROBLEM IMMEDIATELY, THANKS

    2008-03-10 22:35:02



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by nozero See Profile
last modified: 2004-09-28 14:16:13