Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lcrypto Writing Makefile for Crypt::OpenSSL::PKCS12 Microsoft (R) Program Maintenance Utility Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. cp PKCS12.pm blib\lib\Crypt\OpenSSL\PKCS12.pm C:\cpanrun\build\5-10-0\bin\perl.exe "-Iinc" C:\cpanrun\build\5-10-0\lib\ExtUtils\xsubpp -typemap C:\cpanrun\build\5-10-0\lib\ExtUtils\typemap -typemap typemap PKCS12.xs > PKCS12.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe "-Iinc" -MExtUtils::Command -e mv PKCS12.xsc PKCS12.c cl -c -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=\"0.3\" -DXS_VERSION=\"0.3\" "-IC:\cpanrun\build\5-10-0\lib\CORE" PKCS12.c PKCS12.c PKCS12.xs(5) : fatal error C1083: Cannot open include file: 'openssl/crypto.h': No such file or directory NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop.