Checking if your kit is complete... Looks good Writing Makefile for Chemistry::OpenBabel Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cp OpenBabel.pm blib\lib\Chemistry\OpenBabel.pm g++ -c -I../../include -nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_INC -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX -MD -Zi -DNDEBUG -O1 -DVERSION=\"1.2.0\" -DXS_VERSION=\"1.2.0\" "-IC:\cpanrun\build\5-10-0\lib\CORE" openbabel_perl.cpp 'g++' is not recognized as an internal or external command, operable program or batch file. NMAKE : fatal error U1077: 'g++' : return code '0x1' Stop.