The solution of the NUNIT that uploaded on source forge I can't run it

There is an one warrning only it is

Warning 1 The parent file, 'Results.xsd', for file 'bin\Debug2005\ Results.xsx' cannot be found in the project file. nunit.core.test s_VS2005


But in run or debug appeare an exception said

A project with an output type of class liberary can't be started directly
In order...