Bug #358678 , which IMHO is a duplicate of this one, has some more information related to problems invoking emacs (and other applications, see above) under NX from NoMachine (nxserver) and FreeNX.
Bug #358678 , which IMHO is a duplicate of this one, has some more information related to problems invoking emacs (and other applications, see above) under NX from NoMachine (nxserver) and FreeNX.