Whomever built "(your) version of Perl (5.12.5)", might have included the older version. M::P does not come along with perl 5.16.3; it is also missing from 5.12.5 per module list. FWIW, current version is 1.20121103 on CPAN; also, no "2011" version is listed there.

In reply to Re^3: Modern::Perl version 2011 required--this is only version 1.03 at my-perl-script.cgi by parv
in thread Modern::Perl version 2011 required--this is only version 1.03 at my-perl-script.cgi by taint

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