Unable to start debugging-When Silverlight Developer is not installed. Install a matching version. Solution

After installing vs2010, install silverlight4_tools.exe again,

After creating a Silverlight project, enter some code and press F5 to run it. the following error occurs:

Debugging cannot be started. The Silverlight Developer Runtime is not installed. Install a matching version.

 

After searching, there are two methods:

1. Run the following method without debugging:

Right-click the SilverlightApplicationXXX. Web project and choose Properties> Web> remove the Silverlight check box.

You can only browse and cannot debug F5.

2. It is possible that the version of silverlight 4 has been installed, 4.0.50524.0, rather than the development version.

Supplement:

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Solution: The Chinese version of VS2010 cannot install Silverlight4 Tools

 

Open Registry
Command: regedit
Open the node: HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ VisualStudio \ 10.0 \ Setup \ VS \ BuildNumber
Add a "string value" here, enter the name "1033", and set its value to "10.0.30319"

 

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1. add and delete programs in Control Panel -->:

Delete Microsoft Silverlight and check whether the version is 4.0.50524.0.

2. After deletion,

Decompress the silverlight4_tools.exe file, install the silverlight_cmd.exe (version 4.0.50401.0) in it, and then debug it.