Checking if your kit is complete... Looks good Writing Makefile for Process::MaxSize Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cp MaxSize.pm blib\lib\Process\MaxSize.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/001Basic....ok 1 - use Process::MaxSize; '/bin/ps' is not recognized as an internal or external command, operable program or batch file. Use of uninitialized value $process_size in numeric lt (<) at t/001Basic.t line 20. Use of uninitialized value $process_size in concatenation (.) or string at t/001Basic.t line 22. Measured process size -- please contact the author at t/001Basic.t line 22. # Looks like your test died just after 1. 1..1 dubious Test returned status 255 (wstat 65280, 0xff00) after all the subtests completed successfully Failed Test Stat Wstat Total Fail List of Failed ------------------------------------------------------------------------------- t/001Basic.t 255 65280 1 0 ?? Failed 1/1 test scripts. 0/1 subtests failed. Files=1, Tests=1, 1 wallclock secs ( 0.00 cusr + 0.00 csys = 0.00 CPU) Failed 1/1 test programs. 0/1 subtests failed. NMAKE : fatal error U1077: 'C:\cpanrun\build\5-10-0\bin\perl.exe' : return code '0xff' Stop.