Checking if your kit is complete... Looks good Writing Makefile for Devel::Fail::Make Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. deliberate_failure 'deliberate_failure' is not recognized as an internal or external command, operable program or batch file. NMAKE : fatal error U1077: 'deliberate_failure' : return code '0x1' Stop.