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Windows 7 64bit. Visual Studio 2008. Silverlight 2. Error: Could not load file or assembly 'System.Web.Silverlight' or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0×80070057 (E_INVALIDARG))

with 3 comments

Problem:


Could not load file or assembly ‘System.Web.Silverlight’ or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0×80070057 (E_INVALIDARG))

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.IO.FileLoadException: Could not load file or assembly ‘System.Web.Silverlight’ or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0×80070057 (E_INVALIDARG))

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Settings: Copy Local = True

System: Windows 7  64 bit , Visual Studio 2008

Solution: Still working on it

Written by guru

January 9th, 2010 at 11:25 am

Posted in Silverlight

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  • http://various Doug Brennaman

    This is precisely my installation and error. Was a solution ever discovered?

    • arturito

      Sorry it wasn’t discovered. Since the project was very small I created a new project and copied and pasted the code. It fixed my problem.

  • Abc

    poor post