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Hi friends,

I am using VS 2010 and silver light 4 when i debugging my project it show the following message.
"unable to start debugging the silver light developer run time is not installed please install a matching version"

Does it mean the Silverlight 4 sdk is not installed?

But I check out in Control panel> add or remove programs there in that lists it is showing silverlight 4 that means it is installed in my PC.

So, what is the main problem.

Please reply asap

Thanks in Advance
Posted 31-Oct-11 23:50pm
Edited 31-Oct-11 23:55pm
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Solution 1

Please go to your control Panel ->Programs and Features

Make sure all the versions are same

If U are Using Microsoft Silverlight 4 Toolkit , Microsoft Silverlight 4 SDK 4.0.50826.0

then developer runtime which you installed should have a version

Microsoft Silverlight 4 Developer Runtime 4.0.50826.0

Go for the following link and download thw Developer runtime....[^]
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Solution 3

Thanks i got the solution.....

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