Comment 3 for bug 616188

I sorted my 404 errors with the PPA, but I'm afraid your new version doesnt change things...

$ sudo dpkg-reconfigure lxdm
[sudo] password for harvest:
/usr/sbin/dpkg-reconfigure: lxdm is broken or not fully installed

$ sudo apt-get remove lxdm
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following package was automatically installed and is no longer required:
  libmodplug0c2
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
  lxdm
0 upgraded, 0 newly installed, 1 to remove and 10 not upgraded.
1 not fully installed or removed.
After this operation, 926kB disk space will be freed.
Do you want to continue [Y/n]?
(Reading database ... 347583 files and directories currently installed.)
Removing lxdm ...
update-alternatives: error: readlink(/etc/alternatives/lxdm.conf) failed: Invalid argument
dpkg: error processing lxdm (--remove):
 subprocess installed pre-removal script returned error exit status 2
Errors were encountered while processing:
 lxdm
E: Sub-process /usr/bin/dpkg returned an error code (1)