Broken upgrade

[nilsA]

Upgrading to Saucy Salamander my PC "froze" at

Setup fontconfig.

After that I get to the login screen, but no mouse movement and (probably) no keyboard input possible.

I can log into old versions, and try different methods for fixing the install, but all stop at

Setup fontconfig
regenerating fonts cache
....
/usr/bin/dpkg ... error code (1)

How can i rescue this install?

[Snowhog]

Boot into recover (single user) mode. At the command prompt (after logging in) type:

apt-get install -f

Assuming no errors, when it is finished type:

apt-get update && apt-get dist-upgrade

Assuming no errors, when it finishes type:

shutdown -r now

[nilsA]

Booting into recover does not work - the PC is going straight to login that does not allow typing and mouse movements.

In the former upgrade I have tried:

apt-get install -f

is one of the commands I have been trying - stopping at

Setup fontconfig
regenerating fonts cache
....
/usr/bin/dpkg ... error code (1)

[nilsA]

Solution - full reinstall by CD.