Does the solution mentioned in the below bug fix this for you two guys with the "" error? https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/149379 "Just change your repository to Main in Synaptic, instead of using da.archive.ubuntu.com/ubuntu" MC weedwacker wrote: younan1 wrote: > here is my main.log: > > 2007-10-18 12:57:14,214 INFO release-upgrader version '0.81' started > 2007-10-18 12:57:14,758 DEBUG lsb-release: 'feisty' > 2007-10-18 12:57:14,758 DEBUG _pythonSymlinkCheck run > 2007-10-18 12:57:15,996 DEBUG checkViewDepends() > 2007-10-18 12:57:15,997 DEBUG getRequiredBackports() > 2007-10-18 12:57:52,253 ERROR IOError in cache.update(): 'Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/feisty-backports/Release.gpg Connection failed [IP: 91.189.88.31 80] > '. Retrying (currentRetry: 0) > 2007-10-18 12:58:27,905 DEBUG marking 'release-upgrader-apt' for install > 2007-10-18 12:58:28,093 DEBUG marking 'release-upgrader-dpkg' for install > 2007-10-18 13:00:30,767 DEBUG pre-requists item: ' 2007-10-18 13:00:30,768 ERROR pre-requists item 'http://us.archive.ubuntu.com/ubuntu/pool/main/r/release-upgrader-dpkg/release-upgrader-dpkg_1.14.5ubuntu11.2_i386.udeb' is NOT trusted > weedwacker wrote: > My bug report is similar. > > This is the main log report from /var/log/dist-upgrade/ > > 2007-10-18 14:00:14,798 INFO release-upgrader version '0.81' started > 2007-10-18 14:00:15,406 DEBUG lsb-release: 'feisty' > 2007-10-18 14:00:15,406 DEBUG _pythonSymlinkCheck run > 2007-10-18 14:00:16,377 DEBUG checkViewDepends() > 2007-10-18 14:00:16,378 DEBUG getRequiredBackports() > 2007-10-18 14:15:20,588 ERROR IOError in cache.update(): 'Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/feisty/restricted/binary-i386/Packages.gz 503 Connect failed > '. Retrying (currentRetry: 0) > 2007-10-18 14:31:16,087 ERROR IOError in cache.update(): 'Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/feisty/main/binary-i386/Packages.gz 503 Connect failed > Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/feisty-backports/main/debian-installer/binary-i386/Packages.gz 503 Connect failed > '. Retrying (currentRetry: 1) > 2007-10-18 14:47:57,576 ERROR IOError in cache.update(): 'Failed to fetch http://archive.ubuntu.com/ubuntu/dists/feisty-security/restricted/binary-i386/Packages.gz 503 Connect failed > Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/feisty/multiverse/source/Sources.gz 503 Connect failed > Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/feisty-updates/restricted/binary-i386/Packages.gz 503 Connect failed > Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/feisty-updates/main/source/Sources.gz 503 Connect failed > '. Retrying (currentRetry: 2) > 2007-10-18 14:47:57,576 ERROR doUpdate() failed complettely > 2007-10-18 14:48:00,179 DEBUG marking 'release-upgrader-apt' for install > 2007-10-18 14:48:00,269 DEBUG marking 'release-upgrader-dpkg' for install > 2007-10-18 14:50:29,535 DEBUG pre-requists item: ' 2007-10-18 14:50:29,535 ERROR pre-requists item 'http://us.archive.ubuntu.com/ubuntu/pool/main/r/release-upgrader-dpkg/release-upgrader-dpkg_1.14.5ubuntu11.2_i386.udeb' is NOT trusted >