> The file at the link provided is a tar.tar, not a tar.gz as the link > indicates and Padre is looking for.
The file PAR-Packer-1.013_patched.tar.gz should be: 1/ 198261 bytes long 2/ sha1 checksum f43d862b9871648ae8c2ce5b4952a85cc501b536 3/ and it is tar.gz Try to install it from the command prompt via pip utility: c:\> pip <url_to_patched_tar.gz> -- kmx