Nope already checked the event logs and so far nothing suspicious seen. Here are the logs from the last failure.
08.08.11 09:42:20 MESZ Download critical Download request 35 started has failed.
08.08.11 09:40:09 MESZ Download informational Endpoint Download job from source server Symantec LiveUpdate has completed successfully. There were 26 product(s) for which updates were found as part of this job.
08.08.11 09:39:18 MESZ Download informational Started download of content for request id 35 started by user.
08.08.11 09:27:14 MESZ Schedule informational Endpoint Download schedule SEP Download started.