I have trouble installing this module. OS Window xp32 Perl:Active Perl 5.10 During the manual installation, first step: perl makefile.pl, is fine. second step: nmake give me the following error: cl -c -nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_ST RICT -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=\"1.54\" -DXS_VERSION=\"1.54\" "-IC:\Perl\lib\CORE" GuiTes t.cpp 'cl' is not recognized as an internal or external command, operable program or batch file. NMAKE : fatal error U1077: 'C:\WINDOWS\system32\cmd.exe' : return code '0x1' Stop. ========================== When using CPANP to install this module, it also failed. CPAN Terminal i Win32-GuiTest Installing Win32::GuiTest (1.54) Running [C:\Perl\bin\perl.exe C:\Perl\bin\cpanp-run-perl C:\DOCUME~1\jianhua\APP LIC~1\CPANPL~1\510~1.0\build\Win32-GuiTest-1.54\Makefile.PL ]... Writing Makefile for Win32::GuiTest [ERROR] MAKE failed: Bad file descriptor [ERROR] Unable to create a new distribution object for 'Win32::GuiTest' -- canno t continue