​An error message shows up in the web part page:

Unable to display this Web Part. To troubleshoot the problem, open this Web page in a Microsoft SharePoint Foundation-compatible HTML editor such as Microsoft SharePoint Designer. If the problem persists, contact your Web server administrator.

Correlation ID:dad85696-26a1-4766-9f30-b480dd32a70a


​One possible reason for this error is a windows update, the ID is Windows KB2844286.

The solution is to uninstall the updates.


Applies for: SharePoint 2010

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