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Resolve “Unable to start Debugging.The SilverLight Developer Runtime Not Installed. Please Install a matching version” – Visual Studio 2010, Silverlight 4

Resolve “Unable to start Debugging.The SilverLight Developer Runtime Not Installed. Please Install a matching version” – Visual Studio 2010, Silverlight 4

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The Problem

 

Recently hit an issue of inability of debugging in Visual Studio 2010. I was receiving the following error message right after hitting F5:

“Unable to start Debugging.The SilverLight Developer Runtime Not Installed. Please Install a matching version”

 

I have verified the Silverlight version installed by navigating to a Silverlight enabled website (http://www.silverlight.net/) and right clicking on the running Silverlight control:

Silverlight

I have also checked what version Visual Studio was targeting – it offered Silverlight version 3. I thought it’s time to search the web.

Silverlight Visual Studio 2010

The Solution

The solution came from the post Unable to debug silverlight which was pointing to the Silverlight managed debugging package which appeared to be Silverlight_Developer.exe:

Silverlight_Developer.exe

After successfully installing it I can flawlessly debug my own code flaws.

 

Related Books

 

  • Worked great!  Thanks for the help!

  • Good to hear it's helpful!

  • thanks for blogs like yours.  It worked for me

  • That was the answer for me too!!  Thanks big time!!  It's on like buttered popcorn!!

  • Alphapaplima and Congero, happy to hear it was helpful for you, guys.

  • Hey thanks a lot! I was facing the same issue.

    Although after installing the latest developer runtime, its not allowing me to open silverlight 3 projects. Am I doing something wrong or is it like you can not work with a previous version of silverlight if a newer version is installed on the system?

  • Kedar, I have not hit such situation - sorry, I do not have an off the heap answer for you here. What social sphere says about it?

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