<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head><body> > but in my next step: mpiexec -np 4 Imp_win_mpi -in in.crack I'm facing an error like this <br><br> Try: mpiexec -np 4 ./Imp_win_mpi -in in.crack<br><br> or: mpiexec -np 4 <FULL PATH TO EXECUTABLE FILE>/Imp_win_mpi -in in.crack where<br></body></html>