The error is here:
update-alternatives: error: cannot stat
/var/lib/dpkg/alternatives/gnome-text-editor: Input/output error
dpkg: error processing firefox (--configure):
subprocess installed post-installation script returned error exit status 2
Reassigning to dpkg
** Package changed: firefox
Input/output error is usually the sign of defective hardware and not of
software bugs.
** Changed in: dpkg (Ubuntu)
Status: New = Invalid
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https://bugs.launchpad.net/bugs/957854
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/957854
Title:
package firefox 11.0+build1-0ubuntu0.11.10.1 failed to
install/upgrade: subprocess installed post-installation script
returned error
** Tags removed: need-duplicate-check
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/957854
Title:
package firefox 11.0+build1-0ubuntu0.11.10.1 failed to
install/upgrade: subprocess installed