[Plugin: Online Backup for WordPress] First Manual backup I tried failed

I followed an instruction video for installing this plugin and everything was fine until I tried to do the manual back up.

It ran for over an hour and then said it failed. The activity log says this:
The backup failed: The server attempted to retrieve the data, but received junk from your blog. This can happen if your blog is not accessible over the internet. Otherwise, you may have a third-party plugin installed that is changing the backup data as the server tries to receive it. Please contact support if this is the case so we may improve compatibility.
16th Sep 2012 4.57.59 PM Information Deleted files processing completed.
16th Sep 2012 4.57.59 PM Information File collection completed.
16th Sep 2012 4.57.37 PM Information File system scan completed.
16th Sep 2012 4.57.36 PM Information Folder /public_html/wp-content/uploads was excluded. (Uploads directory)
16th Sep 2012 4.57.36 PM Information Folder /public_html/wp-content/themes was excluded. (Themes directory)
16th Sep 2012 4.57.35 PM Information Folder /public_html/wp-content/plugins/wponlinebackup/tmp was excluded. (Online Backup for WordPress temporary backup directory)
16th Sep 2012 4.57.35 PM Information Database backup completed.
16th Sep 2012 4.57.34 PM Information Ignoring comments that are marked as spam.
16th Sep 2012 4.57.34 PM Information Ignoring comments in the trash.
16th Sep 2012 4.57.34 PM Information Synchronisation of backup data completed.
16th Sep 2012 4.57.32 PM Information Backup status is out of sync, synchronising with server…
16th Sep 2012 4.57.31 PM Information Initialisation completed.
16th Sep 2012 4.57.30 PM Information Backup starting…

I have deactivated plugins that I have and just clicked ‘database’ when doing a manual backup to see if it worked but every time it failed.

The activity log says this

The backup failed: Communication with the online vault failed.
16th Sep 2012 10.12.13 PM Error An online request succeeded but was malformed.
Please contact support if the issue persists, providing the complete event log for the activity. Diagnostic information follows:

Failed at: /home/mykor125/public_html/wp-content/plugins/wponlinebackup/include/transmission.php(183)
XML parser succeededXML log:
New xml() object instantiated.
fetch() called.
Raw XML:
<?xml version=”1.0″ encoding=”UTF-8″?>
<Status>
<KeySet>1</KeySet>
<BSN>0</BSN>
<Items>0</Items>
<Generations>0</Generations>
<QuotaMax>104857600</QuotaMax>
<QuotaUsed></QuotaUsed>
</Status>

http://wordpress.org/extend/plugins/wponlinebackup/