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KEMMAPI.dll error when starting Outlook

18 September 2007 | logitech, outlook | 10 Comments

I recently uninstalled Logitech’s SetPoint software for my mouse from my Windows XP machine. After uninstalling it, I started receiving the following error every time I started Outlook (see image below as well).

The Add-in “Redemption Helper Outlook Extension: (C:\Program Files\Logitech\SetPoint\KEMMAPI.dll) cannot be loaded and has been disabled by Outlook. Please contact the Add-in manufacturer for an update. If no update is available, please uninstall the Add-in.

kemmapidll.jpg

After searching around the net for a bit, I came across a solution that worked: delete the file named extend.dat from the C:\Documents and Settings\username\Local Settings\Application Data\Microsoft\Outlook folder. Replace username with your username. That solved the problem.

10 Comments

  1. Mark Bolten said on 16 Dec 2008 at 1:52 pm:

    Thanks, your tip worked great!

  2. Krzysztof said on 2 Apr 2009 at 9:32 am:

    I’ve been with this problem for MONTHS.
    An now … got rid of it after I read the tip.

  3. Frank M said on 8 May 2009 at 12:38 pm:

    Awesome, my Outlook wouldn’t even open, you saved the day!

  4. ihatedllerrors said on 22 Sep 2009 at 1:52 am:

    dll errors are such a pain in the a**

  5. Jack said on 3 Dec 2009 at 3:01 pm:

    Thanks

  6. Eric said on 12 Jan 2010 at 8:32 pm:

    Thank you.

  7. Shirley said on 13 Jan 2010 at 2:15 am:

    and another thanks from me – I had this for a long time, IT wouldn’t know how to solve…I had to search for the solution myself, glad you bothered to share it.

  8. Rob said on 4 Feb 2010 at 2:23 pm:

    Where is that located on a vista mac hine?

  9. Theo said on 7 Mar 2010 at 3:18 am:

    Great tip, Thanks

  10. BP said on 9 Mar 2010 at 8:24 am:

    in Vista the extend.dat is at C:\Users\username\AppData\Local\Microsoft\Outlook

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