[MPICH] Windows runs error?

[Lu H.Q.]

hello ,when i run mpirun in windows (1 cpu and 1computer)
i pass the example "cpi",
//////////////////
mpirun -np 2 cpi

Process 1 on shu-6f3e7f7fb51.
Process 0 on shu-6f3e7f7fb51.
Enter the number of intervals: (0 quits) 23
pi is approximately 3.1417501835074964, Error is 0.0001575299177032
wall clock time = 0.000307
Enter the number of intervals: (0 quits) 43
pi is approximately 3.1416377229963759, Error is 0.0000450694065828
wall clock time = 0.000236
Enter the number of intervals: (0 quits) 22
pi is approximately 3.1417648298813803, Error is 0.0001721762915872
wall clock time = 0.000240
/////////////////////////////

but my owner program "mpi_test" wrong, the error is followed,i want to
know what is reason and how do it
//////////////////////////////////
mpirun -np 2 mpi_test

easy_connect(g_sockStopIOSignalSocket, shu-6f3e7f7fb51, 1124) failed,
error 10057

/////////

my program  have a input file ,so i run like this below and  meet another error:
//////////////
mpirun -np 2 mpi_test <in.melt
easy_connect(g_sockStopIOSignalSocket, shu-6f3e7f7fb51, 1150) failed,
error 10061
//////////////////////

if i run the same command may time,i get the same error with different
error number:

easy_connect(g_sockStopIOSignalSocket, shu-6f3e7f7fb51, 1153) failed,
error 10057
easy_connect(g_sockStopIOSignalSocket, shu-6f3e7f7fb51, 1155) failed,
error 10057


Thanks many