Error message on opening project after installing some free add-ins

Hi Experts,

  Please do look at attachment. I installed some FREE add-ins for VS.NET from codeplex. After that, on opening the solution file I get the error. What would be the cause for it? How to solve it? Please do assist. Error
LVL 16
Easwaran ParamasivamAsked:
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AndyAinscowFreelance programmer / ConsultantCommented:
And what did you find out when you followed the instructions in the error message ?
Jacques Bourgeois (James Burger)PresidentCommented:
You can remove the addin. There are 2 ways to do that: http://msdn.microsoft.com/en-us/library/vstudio/ms228765(v=vs.110).aspx

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