Looks like some files are 404 on Cpanel HTTPUpdate server.

[root@sandbox root]# wget http://httpupdate.cpanel.net/cpanels...ts/.cpanelsync
--10:32:55-- http://httpupdate.cpanel.net/cpanels...ts/.cpanelsync
=> `.cpanelsync'
Resolving httpupdate.cpanel.net... done.
Connecting to httpupdate.cpanel.net[69.72.164.152]:80... connected.
HTTP request sent, awaiting response... 404 Not Found
10:32:55 ERROR 404: Not Found.

[root@sandbox root]#


bzip2: Deleting output file /scripts/.cpanelsync, if it exists.
Download Failed... trying again..
Unable to retrieve file
...Failed
Fetching http://httpupdate.cpanel.net/cpanels...sync....Trying httpupdate.cpanel.net @ 69.72.164.152
Error 404 while fetching url http://httpupdate.cpanel.net//cpanel...ts/.cpanelsync
...Done
Download Failed... trying again..