# Without default ffglut: ffglut.exe

**URL:** <https://community.freefem.org/t/without-default-ffglut-ffglut-exe/1544>\
**Category:** FreeFEM installation\
**Created:** [February 22, 2022, 3:07am UTC](https://community.freefem.org/t/without-default-ffglut-ffglut-exe/1544 "2022-02-22T03:07:15Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Qianrui](https://avatars.discourse-cdn.com/v4/letter/q/9fc348/32.png) [@Qianrui](https://community.freefem.org/u/Qianrui)\
**Post date:** [February 22, 2022, 3:07am UTC](https://community.freefem.org/t/without-default-ffglut-ffglut-exe/1544/1 "2022-02-22T03:07:15Z")

</div>

The command cmd can call MPI execmpi.exe

 ![屏幕截图 2022-02-22 110459](https://canada1.discourse-cdn.com/flex030/uploads/freefem/original/2X/c/c859525270253ced343b8290c6c884d7869a84ae.png)

or FreeFem+±mpi .exe(but there is a width default ffglut: ffglut .exe),

 ![屏幕截图 2022-02-22 110629](https://canada1.discourse-cdn.com/flex030/uploads/freefem/original/2X/c/c0e72b5aa7516253a1f5bb1908b94bcff402a3e1.png)

respectively, but calling the latter with the former （“Program Files\Microsoft MPI\Bin\mpiexec.exe” -n 4 C:\>“Program Files (x86)\FreeFem++\FreeFem+±mpi.exe”) will fail to access.

 ![屏幕截图 2022-02-22 110324](https://canada1.discourse-cdn.com/flex030/uploads/freefem/original/2X/3/3af7594f2e92222a7f2e9395026764466dbb5b0a.png)