Hi,
take a look here http://forums.asp.net/t/1230068.aspx
Quote: Silverlight tools is at this point an add-on to Visual Studio. Since
Express editions are not extensible, there is no beta available for VWD
Express. In order for SL tools to work in Express, re-release of the
VWD Express bits is requires, not just release of the tooling add-on.
(If this has answered your question, please click on "Mark as Answer" on this post. Thank you!)
Best Regards,
Johannes
http://www.irisindividuell.de
http://www.itecon.de
http://www.johanneshiemer.de