There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

DMAKI / Encode-Argv-0.00002 / Changes 
Changes
=======

0.00002 - 15 Apr 2008
  - Use Term::Encoding if nothing was specified

0.00001 - 01 Apr 2008
  - Initial release