Verified in maverick using the package in proposed. Reproducing the error (note: the authenticated repo I'm using is lucid, but it doesn't matter because all I want is the 401 error): root@ls3:~# /usr/share/smart/smart update aptsync-934815f120a8ad05a851477558b537ba Loading cache... Updating cache... ########################################################################################## [100%] Fetching information for 'lucid - main'... -> https://ahasenack:*@private-ppa.launchpad.net/landscape/lds-proposed/ubuntu/dists/lucid/Release.gpg Release.gpg ########################################################################################## [ 33%] -> https://ahasenack:*@private-ppa.launchpad.net/landscape/lds-proposed/ubuntu/dists/lucid/Release Release ########################################################################################## [ 66%] error: Channel 'lucid - main' signed with unknown key Updating the package: root@ls3:~# apt-get install python-smartpm Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be upgraded: python-smartpm 1 upgraded, 0 newly installed, 0 to remove and 5 not upgraded. Need to get 258kB of archives. After this operation, 0B of additional disk space will be used. Get:1 http://us.archive.ubuntu.com/ubuntu/ maverick-proposed/main python-smartpm i386 1.3-1ubuntu0.2 [258kB] Fetched 258kB in 0s (390kB/s) (Reading database ... 56327 files and directories currently installed.) Preparing to replace python-smartpm 1.3-1ubuntu0.1 (using .../python-smartpm_1.3-1ubuntu0.2_i386.deb) ... Unpacking replacement python-smartpm ... Processing triggers for python-support ... Setting up python-smartpm (1.3-1ubuntu0.2) ... Processing triggers for python-support ... Running again, now we get a proper 401: root@ls3:~# /usr/share/smart/smart update aptsync-934815f120a8ad05a851477558b537ba Loading cache... Updating cache... ########################################################################################## [100%] Fetching information for 'lucid - main'... -> https://ahasenack:*@private-ppa.launchpad.net/landscape/lds-proposed/ubuntu/dists/lucid/Release.gpg Release.gpg [ 0%] -> https://ahasenack:*@private-ppa.launchpad.net/landscape/lds-proposed/ubuntu/dists/lucid/Release Release [ 0%] error: Download of Release failed for channel 'lucid - main': The requested URL returned error: 401