SteveRiley here... I directed our forum user to post this bug. Here's the output of the attempt to install ttf-mscorefonts-installer:

$ sudo apt-get install ttf-mscorefonts-installer
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following NEW packages will be installed:
  ttf-mscorefonts-installer
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/27.4 kB of archives.
After this operation, 133 kB of additional disk space will be used.
Preconfiguring packages ...
Selecting previously unselected package ttf-mscorefonts-installer.
(Reading database ... 123991 files and directories currently installed.)
Unpacking ttf-mscorefonts-installer (from .../ttf-mscorefonts-installer_3.4ubuntu3_all.deb) ...
Processing triggers for fontconfig ...
Processing triggers for update-notifier-common ...
ttf-mscorefonts-installer: downloading http://downloads.sourceforge.net/corefonts/andale32.exe
Traceback (most recent call last):
  File "/usr/lib/update-notifier/package-data-downloader", line 234, in process_download_requests
    dest_file = urllib.urlretrieve(files[i])[0]
  File "/usr/lib/python2.7/urllib.py", line 93, in urlretrieve
    return _urlopener.retrieve(url, filename, reporthook, data)
  File "/usr/lib/python2.7/urllib.py", line 239, in retrieve
    fp = self.open(url, data)
  File "/usr/lib/python2.7/urllib.py", line 207, in open
    return getattr(self, name)(url)
  File "/usr/lib/python2.7/urllib.py", line 358, in open_http
    return self.http_error(url, fp, errcode, errmsg, headers)
  File "/usr/lib/python2.7/urllib.py", line 371, in http_error
    result = method(url, fp, errcode, errmsg, headers)
  File "/usr/lib/python2.7/urllib.py", line 664, in http_error_301
    return self.http_error_302(url, fp, errcode, errmsg, headers, data)
  File "/usr/lib/python2.7/urllib.py", line 634, in http_error_302
    data)
  File "/usr/lib/python2.7/urllib.py", line 660, in redirect_internal
    return self.open(newurl)
  File "/usr/lib/python2.7/urllib.py", line 207, in open
    return getattr(self, name)(url)
  File "/usr/lib/python2.7/urllib.py", line 358, in open_http
    return self.http_error(url, fp, errcode, errmsg, headers)
  File "/usr/lib/python2.7/urllib.py", line 371, in http_error
    result = method(url, fp, errcode, errmsg, headers)
  File "/usr/lib/python2.7/urllib.py", line 634, in http_error_302
    data)
  File "/usr/lib/python2.7/urllib.py", line 660, in redirect_internal
    return self.open(newurl)
  File "/usr/lib/python2.7/urllib.py", line 207, in open
    return getattr(self, name)(url)
  File "/usr/lib/python2.7/urllib.py", line 344, in open_http
    h.endheaders(data)
  File "/usr/lib/python2.7/httplib.py", line 954, in endheaders
    self._send_output(message_body)
  File "/usr/lib/python2.7/httplib.py", line 814, in _send_output
    self.send(msg)
  File "/usr/lib/python2.7/httplib.py", line 776, in send
    self.connect()
  File "/usr/lib/python2.7/httplib.py", line 757, in connect
    self.timeout, self.source_address)
  File "/usr/lib/python2.7/socket.py", line 571, in create_connection
    raise err
IOError: [Errno socket error] [Errno 101] Network is unreachable
Setting up ttf-mscorefonts-installer (3.4ubuntu3) ...

I've confirmed the user has Internet access, so we're stumped as to why the Python script appears to error out when attempting to connect to the network (as indicated by the IOError).