Outlook Problems Caused By Creators Update for Microsoft Windows 10

Note: July 27 – A fix to Outlook that was caused by the Windows Creators Update is now available by upgrading to most current version of OutlookConnector – version 4.5.1. Click here to download the update.

The Creators Update for Microsoft Windows 10 has introduced various technical issues. One of the issues is that it may cause Outlook to become unstable when Outlook Connector is used. The issues with Outlook are not isolated to Alt-N products.

Our technical team is working to find a solution to address the issues as soon as possible.

Who is affected?

Customers using Outlook Connector with the Windows 10 Creators Update are affected.

What is the issue?

After installing the Creators Update, Outlook may, under some circumstances, crash or stop working. We have also had reports of searches not returning results.

How do I fix it?

There are a number of workarounds available but the only solution at this time is to uninstall the Windows Creators Update and install the Windows 10 Anniversary Update (version 1607). Using older versions of the Windows operating system can put your system at risk; please use caution.

How do I install  the Microsoft update – version 1607?

To get the earlier cumulative Microsoft update version 1607, please follow this link:

Additional information, including updates & fixes, will be published to the following knowledge base article, so check back often for the latest updates.

Windows 10 Creator Update and Outlook Connector:


Questions? Let us know via the Comments section below, or click here to if you need additional support.

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6 thoughts on “Outlook Problems Caused By Creators Update for Microsoft Windows 10

  1. Can you please email me as soon as a solution to this problem is found. I have a customer that has resorted to using Worldclient until it is fixed.

    1. Hello Matthew. Our development team is working on this. An update has been posted on our Download page, but I’ll keep an eye on it as we progress toward a solution. Please keep in mind that the Windows Creators Update is affecting Outlook users on other platforms as well.

      Feel free to reach out to me directly at training@altn.com if you have questions or need assistance.

  2. I have a post with the Windows 1703 update and since then I have a lot of trouble with Outool that crashes regularly.
    Have your fix rather than reinstall everything (the 1607) ? Thanks

    1. Hello Frederic. Our development team is working to find a solution to this issue, which is also affecting other platforms & vendors (not just MDaemon/Outlook Connector). As soon as we have a solution, I will post an updated blog. Meanwhile, please feel free to reach out to me if you have questions.

  3. I hope Alt-N quickly informs everyone that all the problem are fix ;-). This situation is very difficult.
    Outlook connector 4.5.0 crash when i push at the coloum from and the reserch are impossible!!!
    ALT-N force. good job.

    1. Daniele, I understand your frustration. Our development team has found a potential fix, and the knowledge base article in the post has been updated accordingly. It involves replacing two DLL files. Please let me know if you need further assistance. I’ll be happy to help.

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