Cannot start Microsoft Outlook. Cannot open the Outlook window

Cannot start Microsoft Outlook

Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. An unexpected error has occurred.
MAPI was unable to load the information service msncon.dll. Be sure the service is correctly installed and configured.

Got this rather unpleasant error message after installing the Microsoft Office 2010 Professional Plus, and after trying to start Outlook.

It turned out the my previous Outlook profile had Hotmail accounts in it. So installing the Outlook Hotmail Connector solved the problem.

One can wonder why the error message isn’t more descriptive…

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