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Unable to Load the “FindRibbons” TaskLocate this document in the navigation structure

Context

Symptom: When you build a project in Microsoft Visual Studio 2010, you get the following error message: The “FindRibbons” task could not be loaded from the assembly Microsoft.VisualStudio.Tools.Office.BuildTasks

Solution: This issue occurs when Visual Studio 2012 and 2010 are installed on the same machine.

If you have Visual Studio 2012 and 2010 installed on the same machine, and the build fails, follow the steps below:

Procedure

  1. If you are running a 32 bit Operating system, proceed as follows:
    1. Go to C:\Program Files\MSBuild\Microsoft\VisualStudio\v10.0\OfficeTools.
    2. Open the Microsoft.VisualStudio.Tools.Office.target file.Replace all 10.0.0.0 with 11.0.0.0
    3. Restart Visual Studio 2012.
  2. If you are running a 64bit Operating system, proceed as follows:
    1. Go to C:\Program Files(x86)\MSBuild\Microsoft\VisualStudio\v10.0\OfficeTools.
    2. Open Microsoft.VisualStudio.Tools.Office.target file. Replace all 10.0.0.0 with 11.0.0.0.
    3. Restart Visual Studio 2012.
  3. Open and build the project from Visual Studio 2012.