Math::Libm not available I'll install Games::Go::Erf, but if you install Math:Libm, I'll use that and the 'rats' (ratings calculations) script will run three times faster! Checking if your kit is complete... Looks good Writing Makefile for Games::Go::GoPair Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cp TDEntry.pm blib\lib\Games\Go\TDEntry.pm cp Erf.pm blib\lib\Games\Go\Erf.pm cp TDFinder.pm blib\lib\Games\Go\TDFinder.pm C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e cp randresult blib\script\randresult pl2bat.bat blib\script\randresult '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.