Further back we can see that it is an issue with the installation of a package that was downloaded:
Jan 4 02:54:56 ubuntu ubiquity: Preparing to replace thunderbird 16.0.1+build1-0ubuntu1 (using .../thunderbird_17.0+build2-0ubuntu0.12.10.1_i386.deb) ...
Jan 4 02:54:56 ubuntu ubiquity: Unpacking replacement thunderbird ...
Jan 4 02:54:59 ubuntu ubiquity: dpkg-deb (subprocess): decompressing archive member: internal gzip read error: '<fd:4>: incorrect data check'
Jan 4 02:54:59 ubuntu ubiquity: dpkg-deb: error: subprocess <decompress> returned error exit status 2
Jan 4 02:54:59 ubuntu ubiquity: dpkg: error processing /target/var/cache/apt/archives/thunderbird_17.0+build2-0ubuntu0.12.10.1_i386.deb (--unpack):
Jan 4 02:54:59 ubuntu ubiquity: subprocess dpkg-deb --fsys-tarfile returned error exit status 2
Jan 4 02:55:00 ubuntu ubiquity: No apport report written because the error message indicates an issue on the local system
Jan 4 02:55:00 ubuntu ubiquity:
I try installing again as it may be a temporary issue. If that doesn't work then try installing without downloading updates and then update your system after the installation process.
Further back we can see that it is an issue with the installation of a package that was downloaded:
Jan 4 02:54:56 ubuntu ubiquity: Preparing to replace thunderbird 16.0.1+ build1- 0ubuntu1 (using .../thunderbird _17.0+build2- 0ubuntu0. 12.10.1_ i386.deb) ... var/cache/ apt/archives/ thunderbird_ 17.0+build2- 0ubuntu0. 12.10.1_ i386.deb (--unpack):
Jan 4 02:54:56 ubuntu ubiquity: Unpacking replacement thunderbird ...
Jan 4 02:54:59 ubuntu ubiquity: dpkg-deb (subprocess): decompressing archive member: internal gzip read error: '<fd:4>: incorrect data check'
Jan 4 02:54:59 ubuntu ubiquity: dpkg-deb: error: subprocess <decompress> returned error exit status 2
Jan 4 02:54:59 ubuntu ubiquity: dpkg: error processing /target/
Jan 4 02:54:59 ubuntu ubiquity: subprocess dpkg-deb --fsys-tarfile returned error exit status 2
Jan 4 02:55:00 ubuntu ubiquity: No apport report written because the error message indicates an issue on the local system
Jan 4 02:55:00 ubuntu ubiquity:
I try installing again as it may be a temporary issue. If that doesn't work then try installing without downloading updates and then update your system after the installation process.