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And what did you find out when you followed the instructions in the error message ?
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Hi Experts,<br />
<br />
&nbsp; 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. <a href="https://filedb.experts-exchange.com/incoming/2013/12_w01/825571/VS-Error.jpg" target="_blank" title="Error (53 KB)"><img alt="Error" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2013/12_w01/800_825571/VS-Error.jpg" /></a>
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VS-Error.jpg

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 message on opening project after installing some  free add-ins

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.

.NET Programming

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.