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[Whizpopthat]

I can't remember exactly what it was but it was something towards the last 15 min of my 9.10 ubuntu upgrade 'fwcutter' that showed an error:

subprocess post-installation script returned error exit status 1

[nibirumarduk]

I can't remember exactly what it was but it was something towards the last 15 min of my 9.10 ubuntu upgrade 'fwcutter' that showed an error:

subprocess post-installation script returned error exit status 1

Re-run the upgrade and have a look at this thread http://ubuntuforums.org/showthread.php?p=8515102#post8515102
Therein may lie your solution.

Hope this helps!