'Microsoft.VisualStudio.Editor.Implementation.EditorPackage' package did not load correctly


  • After the 07/10/2013 Microsoft update, I tried to open Microsoft Visual Studio, then this error showed up

    No exports were found that match the constraint: ContractName

    Microsoft.VisualStudio.Utilities.IContentTypeRegistryService RequiredTypeIdentity


    This error happened to every member's of our group.

    The Microsoft Visual Studio Professional 2012:

    Version 11.0.50727.1 RTMREL

    Appreciate any help on this issue.

    Tuesday, July 16, 2013 7:41 PM


  • Removing %LOCALAPPDATA%\Microsoft\VisualStudio\11.0\ComponentModelCache and restarting VS2012 fixed the problem for me.
    • Marked as answer by AirLee Wednesday, July 17, 2013 2:45 PM
    Wednesday, July 17, 2013 9:21 AM

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