Checking if your kit is complete... Looks good Writing Makefile for Math::SymbolicX::Calculator::Interface::Shell Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cp lib/Math/SymbolicX/Calculator/Interface/Shell.pm blib\lib\Math\SymbolicX\Calculator\Interface\Shell.pm C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e cp bin/symbolic_calculator_shell blib\script\symbolic_calculator_shell pl2bat.bat blib\script\symbolic_calculator_shell 'pl2bat.bat' is not recognized as an internal or external command, operable program or batch file. NMAKE : fatal error U1077: 'pl2bat.bat' : return code '0x1' Stop.