Checking if your kit is complete... Looks good Writing Makefile for Win32::Excel::Refresh cp Refresh.pm blib\lib\Win32\Excel\Refresh.pm AutoSplitting blib\lib\Win32\Excel\Refresh.pm (blib\lib\auto\Win32\Excel\Refresh) D:\cpanrun\build\5-6-1\bin\perl.exe -Mblib -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -e "use Test::Harness qw(&runUsing D:/cpanrun/depot/main/contrib-patched/perl/CPANt\1....dubious Test returned status 255 (wstat 65280, 0xff00) DIED. FAILED test 2 Failed 1/2 tests, 50.00% okay Failed Test Stat Wstat Total Fail Failed List of Failed ------------------------------------------------Failed 1/1 test scripts, 0.00% okay. 1/2 subtests failed, 50.00% okay. NMAKE : fatal error U1077: 'D:\cpanrun\build\5-6-1\bin\perl.exe' : return code '0xff' Stop.