Checking if your kit is complete... Looks good Writing Makefile for Acme::Clouseau cp Clouseau.pm blib\lib\Acme\Clouseau.pm y Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. D:\cpanrun\build\5-6-1\bin\perl.exe -Iblib\arch -Iblib\lib -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib test.pl 1..1Perl v5.8.3 required--this is only v5.6.1, stopped at blib\lib/Acme/Clouseau.pm line 3. BEGIN failed--compilation aborted at blib\lib/Acme/Clouseau.pm line 3. Compilation failed in require at test.pl line 10. BEGIN failed--compilation aborted at test.pl line 10. NMAKE : fatal error U1077: 'D:\cpanrun\build\5-6-1\bin\perl.exe' : return code '0xff' Stop.