note binarygrrl <p>With the same developer library on both machines - with the desktop I get:</p> <code> C:\Perl\Everything.PERL\Packages\Net-Pcap-0.16>perl Makefile.PL INC=-IC:\Perl\Everything.PERL\Packages\Net-Pcap-0 .16\WpdPack\Include "LIBS=-LC:\Perl\Everything.PERL\Packages\Net-Pcap-0.16\WpdPack\Lib -lwpcap" socket.h patched... ok looking for -lwpcap... yes checking for pcap_lib_version() in -lwpcap... yes detecting available functions... ok Checking if your kit is complete... Looks good Writing Makefile for Net::Pcap Writing MYMETA.yml and MYMETA.json </code> <p> For the perl Makefile.pl command... But the laptop cannot find the same libraries...</p> 1012508 1012669