upgrades failing to install upgrading from ubuntu 11.10 to 12.04

[Abhishek Dixit]

I am trying to upgrade Ubuntu 11.10 to 12.04 (both 64 bit) but upgrades are
failing I have attached the
snapshots please see what can I do

1) upgrade fail3
http://www.flickr.com/photos/55167530@N02/8380855604/in/photostream/lightbox/

2) upgrade error

http://www.flickr.com/photos/55167530@N02/8379775815/in/photostream/lightbox/

3) dependency problems in upgrade
http://www.flickr.com/photos/55167530@N02/8380856228/in/photostream/lightbox/

4) upgrade failure exit with x
http://www.flickr.com/photos/55167530@N02/8380855188/in/photostream/lightbox/

5) upgrade2
http://www.flickr.com/photos/55167530@N02/8380857652/in/photostream

6) screenshot
http://www.flickr.com/photos/55167530@N02/8380858682/in/photostream/lightbox/

7)upgade 4
http://www.flickr.com/photos/55167530@N02/8380858018/in/photostream
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