Dariusz - I can see that you have upgraded from 11.04 to 12.04 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
Even if you did a fresh install I am sure the problem will still remain, as I did a clean install of 12.04 beta 1
Dariusz - I can see that you have upgraded from 11.04 to 12.04
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
Even if you did a fresh install I am sure the problem will still remain, as I did a clean install of 12.04 beta 1