From the logs, it's trying to download http://releases.ubuntu.com/12.04.1/MD5SUMS-metalink
Which does not exist. As a workaround you could donwload and verify the ISO checksums manually?
From the logs, it's trying to download releases. ubuntu. com/12. 04.1/MD5SUMS- metalink
http://
Which does not exist. As a workaround you could donwload and verify the ISO checksums manually?