Error updating

[ubunterooster]

extracting 'lucid.tar.gz'
authenticate 'lucid.tar.gz' against 'lucid.tar.gz.gpg'
tar: Removing leading `/' from member names
WARNING: Failed to read mirror file

it eventually shuts down saying "reverting to original state"

?

[ubunterooster]

I traced it to an OOo dependency error and removed Open Office. So far upgrading is fine. I'll try reinstalling OOo after upgrade [that will be about two hr].