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    Nintex Knowledge Base

    Error "The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)"

    Summary
    After upgrading, the following error might occur when visiting any workflow page: The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

    Solution
    To clear this error clear the SharePoint cache and perform an IISReset. Instructions on clearing the SharePoint cache can be found here: https://blogs.msdn.microsoft.com/jamesway/2011/05/23/sharepoint-2010-clearing-the-configuration-cache/