cpanm PAR::Packer C:\>cpanm --force PAR::Packer --> Working on PAR::Packer Fetching http://www.cpan.org/authors/id/R/RS/RSCHUPP/PAR-Packer-1.050.tar.gz ... OK Configuring PAR-Packer-1.050 ... OK Building and testing PAR-Packer-1.050 ... FAIL ! Installing PAR::Packer failed. See C:\...\build.log for details. Retry with --force to force install it.