The following module was built either with optimizations enabled or without debug information + Silverlight

While coding with VS 2005/2008 you may encounter with an exception that " The following module was built either with optimizations enabled or without debug information" .

To Resolve this, first thing you can do is enable full debug info on your project. to do this,

- Right Click the Project which is giving the exception and Go to Properties

- Under the Build tab go to the Advance option

- Set Debug Info to Full as shown below ,

If this doesnt resolve you problem,

Please remove all the project references from your project that gives this exception.

- Remove all files from the bin folder of your project.

- If bin folder file attributes are read only , remove the read only attributes on bin folder.

- Add the existing project references again

- Rebuild the project

This should resolve your problem.