Checking if your kit is complete... Looks good Writing Makefile for Devel::XDebug Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cp lib/Devel/XDebug.pm blib\lib\Devel\XDebug.pm 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 "-MExtUtils::Command::MM" "-e" "test_harness(1, 'blib\lib', 'blib\arch')" t/*.t t/t....Test successed! at t/t.t line 9. eXtended Debug Dump: \%P = {"P2" => ["func3", "func4"], "P1" => ["func1", "func2"]} eXtended Debug Dump OK. FAILED before any test output arrived FAILED--1 test script could be run, alas--no output ever seen NMAKE : fatal error U1077: 'C:\cpanrun\build\5-10-0\bin\perl.exe' : return code '0xff' Stop.