Still nothing in what sense? It is giving you an update to an old version, or no updates at all?
EDIT: Also, what do you see at this url? http://avww.s3.amazonaws.com/AVWWUpdatesList.xml
Top line of B567, then B564?
Direct copy-paste:
This XML file does not appear to have any style information associated with it. The document tree is shown below.
<updatelist>
<update>B565|http://avww.s3.amazonaws.com/AVWW565.zip</update>
<update>B564|http://avww.s3.amazonaws.com/AVWW564.zip</update>
<update>B563|http://avww.s3.amazonaws.com/AVWW563.zip</update>
<update>B560|http://avww.s3.amazonaws.com/AVWW560.zip</update>
<update>B559|http://avww.s3.amazonaws.com/AVWW559.zip</update>
<update>B557|http://avww.s3.amazonaws.com/AVWW557.zip</update>
<update>B555|http://avww.s3.amazonaws.com/AVWW555.zip</update>
<update>B552|http://avww.s3.amazonaws.com/AVWW552.zip</update>
<update>B551|http://avww.s3.amazonaws.com/AVWW551.zip</update>
<update>B550|http://avww.s3.amazonaws.com/AVWW550.zip</update>
<update>B547|http://avww.s3.amazonaws.com/AVWW547.zip</update>
<update>B545|http://avww.s3.amazonaws.com/AVWW545.zip</update>
<update>B542|http://avww.s3.amazonaws.com/AVWW542.zip</update>
<update>B540|http://avww.s3.amazonaws.com/AVWW540.zip</update>
<update>B538|http://avww.s3.amazonaws.com/AVWW538.zip</update>
<update>B537|http://avww.s3.amazonaws.com/AVWW537.zip</update>
<update>B535|http://avww.s3.amazonaws.com/AVWW535.zip</update>
<update>B530|http://avww.s3.amazonaws.com/AVWW530.zip</update>
<update>B529|http://avww.s3.amazonaws.com/AVWW529.zip</update>
<update>B528|http://avww.s3.amazonaws.com/AVWW528.zip</update>
<update>B527|http://avww.s3.amazonaws.com/AVWW527.zip</update>
<update>B524|http://avww.s3.amazonaws.com/AVWW524.zip</update>
<update>B520|http://avww.s3.amazonaws.com/AVWW520.zip</update>
<update>B519|http://avww.s3.amazonaws.com/AVWW519.zip</update>
<update>B511|http://avww.s3.amazonaws.com/AVWW511.zip</update>
<update>B508|http://avww.s3.amazonaws.com/AVWW508.zip</update>
<update>B421|http://avww.s3.amazonaws.com/AVWW421.zip</update>
<update>B419|http://avww.s3.amazonaws.com/AVWW419.zip</update>
<update>B416|http://avww.s3.amazonaws.com/AVWW416.zip</update>
<update>B411|http://avww.s3.amazonaws.com/AVWW411.zip</update>
</updatelist>
Could be a problem with amazon's AWS servers not updating outside the US?
EDIT: I just typed the URL manually and it's downloading the .zip for 0.567, so I'll install the update manually. Thanks for the help.