LU1825: LiveUpdate could not understand how to install this update. You may need to get the latest version of LiveUpdate before you can install this update

Article:TECH132407  |  Created: 2010-01-11  |  Updated: 2011-12-01  |  Article URL
Article Type
Technical Solution



LiveUpdate sessions fail on the Symantec Endpoint Protection Manager (SEPM) with an LU1825 error.


Definitions are downloaded to machine but unable to install with above error.


Windows User Access Control (UAC) is known to cause issues with access rights.


The following solution is reported to resolve the issue.

  • Disable UAC.
  • Reboot the server.
  • Uninstall LiveUpdate.
  • Reinstall LiveUpdate.
  • Reregister LiveUpdate with the SEPM per this article.
  • Either run Luall.exe or run LiveUpdate from SEPM console.

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