Installing Flash - blocking everything

I have enabled NTLMaps as per the Howto on this site. I have not had issues in the past installing packages such as Skype or Mendeley. However on upgrading to Maverick I have a problem. I can’t install anything as apt-get and Synaptic won’t allow me to until it resolves installing Flash (which it has tried to install from the upgrade).

If I use the update manager I get forced to partial upgrade which involves trying to install Flash. If I cancel that I have to run:
sudo dpkg —configure -a

I get:
Downloading…
—2010-10-15 09:55:17— http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flas…
Resolving archive.canonical.com… 91.189.88.33
Connecting to archive.canonical.com|91.189.88.33|:80… failed: Connection timed out.
Retrying. (This last message happens 20 times before it stops attempting to download the plugin)

In an attempt to sort this out manually I downloaded
http://download.macromedia.com/pub/labs/flashplayer10/flashplayer_square…
and extracted the “libflashplayer.so”
which I then copied to (-t)
/usr/lib/mozilla/plugins and,
 /usr/lib/mozilla-firefox/plugins

Still no luck, how can I fix this issue?
Any help would be much appreciated.
 Thanks

I forgot to mention, I am running Maverick (GNOME 2.32) 64 bit on a Lenovo W500

System details

I forgot to mention, I am running Maverick (GNOME 2.32) 64 bit on a Lenovo W500

Added this to my post but no idea how to delete it from being a separate post

Try this

sudo http_proxy=http://ftp.leg.uct.ac.za:80/ dpkg --configure -a
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