# Error loading PETSC-complex

**URL:** <https://community.freefem.org/t/error-loading-petsc-complex/3182>\
**Category:** General Discussion\
**Created:** [April 30, 2024, 6:48pm UTC](https://community.freefem.org/t/error-loading-petsc-complex/3182 "2024-04-30T18:48:12Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![bcaval](https://avatars.discourse-cdn.com/v4/letter/b/d26b3c/32.png) [@bcaval](https://community.freefem.org/u/bcaval)\
**Post date:** [April 30, 2024, 6:48pm UTC](https://community.freefem.org/t/error-loading-petsc-complex/3182/1 "2024-04-30T18:48:12Z")

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Hello Freefem community,

I have an error message, as I just load “PETSC-complex”, I have installed the last version on windows 64. No problem with load “PETSc” but for the complex it is :

fail:  
list prefix: 'C:\Program Files (x86)\FreeFem++\.' list suffix: ‘’ , ‘.dll’  
current line = 10  
Load error : PETSc-complex  
line number :10, PETSc-complex  
error Load error : PETSc-complex  
line number :10, PETSc-complex  
code = 2 mpirank: 0

Thanks in advance.