[news.eclipse.newcomer] Failing updates

["Arinté" <jamarijr@xxxxxxxxx>]

Everytime I try to update or check for new stuff using the update manager, I 
get this error

Network connection problems encountered during search.
  Unable to access "http://update.eclipse.org/updates/3.3";.
    Error parsing site stream. [White spaces are required between publicId 
and systemId.]
    White spaces are required between publicId and systemId.
    Error parsing site stream. [White spaces are required between publicId 
and systemId.]
    White spaces are required between publicId and systemId.
  Unable to access "http://update.eclipse.org/updates/3.3";.
    Error parsing site stream. [White spaces are required between publicId 
and systemId.]
    White spaces are required between publicId and systemId.
    Error parsing site stream. [White spaces are required between publicId 
and systemId.]
    White spaces are required between publicId and systemId.
  Unable to access "http://update.eclipse.org/updates/3.3";.
    Error parsing site stream. [White spaces are required between publicId 
and systemId.]
    White spaces are required between publicId and systemId.
    Error parsing site stream. [White spaces are required between publicId 
and systemId.]
    White spaces are required between publicId and systemId.
  Unable to access "http://update.eclipse.org/updates/3.3";.
    Error parsing site stream. [White spaces are required between publicId 
and systemId.]
    White spaces are required between publicId and systemId.
    Error parsing site stream. [White spaces are required between publicId 
and systemId.]
    White spaces are required between publicId and systemId.


what can I do?