Install .Net Framework 4 or 4.5

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hi,I want to install DNN 7 but I come up with this error:
Could not load file or assembly 'ClientDependency.Core' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded.

and it's because I didn't have .Net Farmework 4.now I install it but still have teh same problem.how could I set .net framework 4 in my browser?

Posted 25-Sep-13 20:59pm

behish

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Gajendra Yadav · Accepted Answer · 2013-09-25T21:14:00

Solution 1

You have to change the Application Pool of your site

1.Go to your IIS by simply typing inetmgr in Start.
2.Right click to your site then click Manage Application->Advanced Setting. Then change the DefaultAppPool to ASP.NET V4.0.You are done.

Posted 25-Sep-13 21:14pm

Gajendra Yadav

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behish 26-Sep-13 3:43am

that problem solved but now I come up with new problem:
Could not load type 'System.ServiceModel.Activation.HttpModule' from assembly 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
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.TypeLoadException: Could not load type 'System.ServiceModel.Activation.HttpModule' from assembly 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

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.

what should I do now?

behish 26-Sep-13 4:43am

it's solve.