We've found that the NetAdvantage Windows Phone vol. 2011.2 product has a known toolbox issue that affects all our products when installed side by side.

If you experience any issue after installing 2011.2 you can uninstall all NA 2011.2 products then run Visual Studio 2010, open a designer, load the toolbox and close VS2010. Then install NA 2011.2 and run the .bat in the attached .zip before running Visual Studio…