# Problems installing preCICE about libfftw3\_mpi.so.3

**URL:** <https://precice.discourse.group/t/problems-installing-precice-about-libfftw3-mpi-so-3/1184>\
**Category:** Official adapters and tutorials\
**Tags:** openfoam\
**Created:** [October 12, 2022, 3:42pm UTC](https://precice.discourse.group/t/problems-installing-precice-about-libfftw3-mpi-so-3/1184 "2022-10-12T15:42:34Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![william](https://avatars.discourse-cdn.com/v4/letter/w/b19c9b/32.png) [@william](https://precice.discourse.group/u/william)\
**Post date:** [October 12, 2022, 3:42pm UTC](https://precice.discourse.group/t/problems-installing-precice-about-libfftw3-mpi-so-3/1184/1 "2022-10-12T15:42:34Z")

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Hi everyone,  
I encountered some problems during the installation process, and the same problems were encountered in different Ubuntu versions

- preCICE version 2.5.0
- Ubuntu 22.04
- followed the step on [Quickstart | preCICE](http://precice.org/quickstart.html)

Here are the log files:  
[Allwmake.log](https://precice.discourse.group/uploads/short-url/zmTITdAsNH7xGmVBUw8vnuTJOR4.log) (714 Bytes)  
[ldd.log](https://precice.discourse.group/uploads/short-url/xu8ROEuJC1K4T6gArXpB213QrOC.log) (13.9 KB)  
[wmake.log](https://precice.discourse.group/uploads/short-url/8uHDp73huyQyg0cWToFLjVsrNad.log) (38.1 KB)

I have tried to reinstall libfftw3-dev and libfftw3-mpi-dev.  
This confused me for a long time  
I’m grateful for your help.

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**Author:** ![william](https://avatars.discourse-cdn.com/v4/letter/w/b19c9b/32.png) [@william](https://precice.discourse.group/u/william)\
**Post date:** [October 16, 2022, 11:40am UTC](https://precice.discourse.group/t/problems-installing-precice-about-libfftw3-mpi-so-3/1184/2 "2022-10-16T11:40:25Z")

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Thank you for your attention. I have solved this problem. The openfoam third-party software compiled and installed includes the libfftw package, which will conflict with the libfftw in adapter. Therefore, the public apt get command is required to reinstall openfoam.

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/precice/original/1X/67d2a5fa6f80e597e2267ff17fa8c1673cd11caa.svg) [@system](https://precice.discourse.group/u/system)\
**Post date:** [October 19, 2022, 11:41am UTC](https://precice.discourse.group/t/problems-installing-precice-about-libfftw3-mpi-so-3/1184/3 "2022-10-19T11:41:23Z")

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