The issue causing the update issue may be resolved by the improved processing and enhanced features available in a software version later than what is running.
Most common reasons for update failure: What you need: 1) Latest Certified Definitions from Symantec.
File may be saved as .zip, please rename the file to when the download is complete.
2) Live Update Installer shipped with the release of Endpoint Protection in use.
If a pattern in a file on a computer matches that of a virus definition file, NAVCE considers the file infected and attempts to rectify the situation by performing a clean, repair, delete, or quarantine operation.
And if the file being scanned does not match any patterns contained in the definition files, NAVCE considers it clean.
The file is located in the EPM folder on the installation media.