You should run Makefile.YBFOD instead. OK? [y] y Warning: prerequisite Acme::Buffy 1.2 not found. WARNING: Setting VERSION via file 'YourBrainForOnceDude.pm' failed at C:/cpanrun/build/5-10-0/lib/ExtUtils/MakeMaker.pm line 517 Checking if your kit is complete... Looks good Writing Makefile for YourBrainForOnceDude Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cp YourBrainForOnceDude.pm blib\lib\YourBrainForOnceDude.pm cp YourBrainForOnceDude.pod blib\lib\YourBrainForOnceDude.pod Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. C:\cpanrun\build\5-10-0\bin\perl.exe "-Iblib\lib" "-Iblib\arch" test.pl 1..1 Can't locate Acme/Buffy.pm in @INC (@INC contains: blib\lib blib\arch C:/cpanrun/build/5-10-0/site/lib C:/cpanrun/build/5-10-0/lib .) at blib\lib/YourBrainForOnceDude.pm line 2. Compilation failed in require at test.pl line 3. BEGIN failed--compilation aborted at test.pl line 3. NMAKE : fatal error U1077: 'C:\cpanrun\build\5-10-0\bin\perl.exe' : return code '0x2' Stop.