Comment 3 for bug 567465

I'm also encountering this. Sebastien could you simply open up vino-preferences & tick "allow others to..." on and off and confirm that yes, it does infact happen for you?

Following the page you give me, stall in the same place...

$ apt-cache policy vino
vino:
  Installed: 2.28.2-0ubuntu2
  Candidate: 2.28.2-0ubuntu2
  Version table:
 *** 2.28.2-0ubuntu2 0
        500 http://gb.archive.ubuntu.com/ubuntu/ lucid/main Packages
        100 /var/lib/dpkg/status
pricey@ubuntu:~$ sudo apt-get install vino-dbgsym=2.28.2-0ubuntu2
[sudo] password for pricey:
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package vino-dbgsym