C:\Users\Documents\Perl\Comp-Perl\webapp\bin>cpanm --look IO::Socket::SSL --> Working on IO::Socket::SSL Fetching http://www.cpan.org/authors/id/S/SU/SULLR/IO-Socket-SSL-2.070.tar.gz ... OK Entering C:/Users/.cpanm/work/1620123254.45360/IO-Socket-SSL-2.070 with C:\WINDOWS\system32\cmd.exe Microsoft Windows [Version 10.0.18363.1443] (c) 2019 Microsoft Corporation. All rights reserved. C:\Users\.cpanm\work\1620123254.45360\IO-Socket-SSL-2.070> #### C:\Users\Documents\Perl\Synchrony-Perl\webapp\bin>plackup --ssl --ssl-key-file=C:\Users\Documents\Private-Public\privateKey.key --ssl-cert-file=C:\Users\Documents\Private-Public\certificate.crt app.psgi failed to listen to port 5000: at C:/Strawberry/perl/site/lib/HTTP/Server/PSGI.pm line 103.