ubiquity-dm crashed with OSError in __main__: [Errno 5] Input/output error

[Antonio Vitoriano de Souza]

hd bloqueado depois de várias tentativas de instalar o ubuntu 18.04, como solucionar os problemas?

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: ubiquity 17.10.10
ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
Uname: Linux 4.13.0-17-generic x86_64
ApportVersion: 2.20.8-0ubuntu5
Architecture: amd64
CasperVersion: 1.388
Date: Mon Jan 8 02:19:26 2018
ExecutablePath: /usr/bin/ubiquity-dm
InterpreterPath: /usr/bin/python3.6
LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180101)
ProcCmdline: /usr/bin/python3 /usr/bin/ubiquity-dm vt7 :0 hostname /usr/bin/ubiquity --only
ProcEnviron:
 PATH=(custom, no user)
 LANG=pt_BR.UTF-8
Python3Details: /usr/bin/python3.6, Python 3.6.4, python3-minimal, 3.6.3-0ubuntu2
PythonArgs: ['/usr/bin/ubiquity-dm', 'vt7', ':0', 'hostname', '/usr/bin/ubiquity', '--only']
PythonDetails: /usr/bin/python2.7, Python 2.7.14+, python-minimal, 2.7.14-2ubuntu1
SourcePackage: ubiquity
Title: ubiquity-dm crashed with OSError in __main__: [Errno 5] Input/output error
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Phillip Susi (psusi)]

Your installation medium is corrupt; you will need to recreate it and may want to verify it using the check disc option at the boot menu.