The “CreateRiaClientFilesTask” task failed unexpectedly

Question

I\'ve VS 2010 and recently installed WCF RIA Services V1.0. For testing I have created a new Silverligh Business project but now every now and then when I rebuild the solution I

Answer 1

I use VS 2010 and Windows 7. I've got this exception and after reopen solution it repeated again. The next helped in my case. I've closed VS and open solution again, but not running .sln file - I run VS from shortcut with administrator rights (not sure that admin rights really need) and select my solution on start page of Visual Studio. After that I rebuilt solution.