This is a glitch that pleaques 64 bit Ubuntu, if you are not running 64 bit Ubuntu, this probably wont help.
This is actually a very simple How To:
(Note: As always, ABSOLUTELY NO WARRANTY!)
1.1b. or just click here for automatic installation!Code:sudo apt-get install lib32nss-mdns
Alternatively, If that does not work try:
1.2. RestartCode:sudo apt-get remove lib32nss-mdns libnss-mdns