When I want to install the ubuntu, I cannot do it because an error accure.

[Amirhossein Kalari]

There is nothing special in my log, but here you are:

Jun 03 10:27:26 ubuntu subiquity_log.3708[16585]: system install failed for ['ubuntu-restricted-addons']: Unexpected error while running command.
Jun 03 10:27:26 ubuntu subiquity_log.3708[16585]: Command: ['unshare', '--fork', '--pid', '--mount-proc=/target/proc', '--', 'chroot', '/target', 'apt-get', '--quiet', '--assume-yes', '--option=Dpkg::options::=--force-unsafe-io', '--option=Dpkg::Options::=--force-confold', 'install', '--download-only', 'ubuntu-restricted-addons']
Jun 03 10:27:26 ubuntu subiquity_log.3708[16585]: Exit code: 100
Jun 03 10:27:26 ubuntu subiquity_log.3708[16585]: Reason: -
Jun 03 10:27:26 ubuntu subiquity_log.3708[16585]: Stdout: ''
Jun 03 10:27:26 ubuntu subiquity_log.3708[16585]: Stderr: ''
Jun 03 10:27:26 ubuntu subiquity_log.3708[16585]: finish: cmd-system-install: FAIL: curtin command system-install
Jun 03 10:27:26 ubuntu subiquity_event.3708[3708]: retrieving ubuntu-restricted-addons
Jun 03 10:27:26 ubuntu subiquity_event.3708[3708]: installing ubuntu-restricted-addons
Jun 03 10:27:26 ubuntu subiquity_event.3708[3708]: configuring cloud-init
Jun 03 10:27:27 ubuntu subiquity_event.3708[3708]: curtin command system-install
Jun 03 10:27:28 ubuntu subiquity_event.3708[3708]: configuring cloud-init
Jun 03 10:27:28 ubuntu subiquity_event.3708[3708]: final system configuration
Jun 03 10:27:28 ubuntu subiquity_event.3708[3708]:

just this.

[Sebastien Bacher (seb128)]

Thank you for your bug report Could you add the logs from/var/log/installer after getting the problem?

The portion you quote suggests it failed to install packages which is usually sign on an image corruption/internet access flakyness/mirror problem

[Launchpad Janitor (janitor)]

[Expired for ubuntu-desktop-provision because there has been no activity for 60 days.]