C:/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Tk-Thumbnail does not start with C:/cpanrun/build/5-10-0/site/lib i.e. building outside Tk itself Checking if your kit is complete... Looks good Writing Makefile for Tk::Thumbnail Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cp Thumbnail.pm blib\lib\Tk/Thumbnail.pm cp images/info3.png blib\lib\Tk/Thumbnail/images/info3.png C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e cp tkthumb blib\script\tkthumb pl2bat.bat blib\script\tkthumb '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.