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An error was detected which prevented updatenow from completing normally.
Please review the enclosed log for further details

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[20130717.050607] Detected version '11.38.1.6' from version file.
[20130717.050607] Using mirror '94.75.231.77' for host 'httpupdate.cpanel.net'.
[20130717.050607] Target version set to '11.38.1.13'
[20130717.050607] Checking license
[20130717.050610] License file check complete
[20130717.050610] E Blocker found: Cannot upgrade due to insufficent disk space. Detected 1.32G. You will need atleast 1.6G to install a new version of cPanel
[20130717.050610] Checking that the RPM DB is OK...
[20130717.050610] glibc-2.5-107.el5_9.5
[20130717.050610] glibc-2.5-107.el5_9.5
[20130717.050610] OK: RPM DB is responding to queries
[20130717.050610] Testing if rpm_is_working RPM is installed
[20130717.050610] package rpm_is_working is not installed
[20130717.050610] Testing if it's possible to install a simple RPM
[20130717.050611] Preparing... ##################################################
[20130717.050611] rpm_is_working ##################################################
[20130717.050611] ***** FATAL: An attempt to up/downgrade to 11.38.1.13 was blocked. Please review blockers.
[20130717.050611] The Administrator will be notified to review this output when this script completes
[20130717.050611] E Detected events which require user notification during updatenow. Will send iContact the log