Can't find fetch `http://pmx-dynamic.sophos.com/pmx/v6/mainline/linux/pmx-setup-v6-linux'

Hello 

While installing a PMX for Unix in my Ubuntu Server I encounter this Error message

 anyone please help.

IT said

 root@cebuailogic:/tmp/pmxrepo# sh T55B1F8F9F-linux.sh
T55B1F8F9F-linux.sh: 420: /opt/pmx6/bin/pmx-wfetch: not found
T55B1F8F9F-linux.sh: Can't fetch 'http://pmx-dynamic.sophos.com/pmx/v6/mainline/linux/pmx-setup-v6-linux'

i tried to ping the pmx-dynamic.sophos.com 

there was a ICMP Echo reply.