Sorry, MPICH on Windows is unsupported (and so it is the use of MPI without MPI_Init). Please refer to our FAQ: https://wiki.mpich.org/mpich/index.php/Frequently_Asked_Questions#Q:_Why_can... On 06/25/2015 02:26 PM, Colin Potter wrote:

Is there any way to get the MPI_Init call to not trigger the Windows Firewall dialog? It asks for TCP and UDP access. This is in an application being run standalone, without mpiexec.

If I comment out MPI_Init, it does not trigger the dialog.

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