make sure smpd.exe running in background. if not run cmd as admin and type this command.
<div>smpd -install -phrase behappy</div><div><br></div><div>restart computer</div><div>save ur user name and password to register using wmpiregister. and check mpiexec -validate command.</div><div>Note: u should have a password don't make it empty.</div>
<div><br></div><div>Sanjeewa.</div>