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If you have been experiencing issues with 12.1.3, then you might want to visit the Endpoint Protection Technical Support page, as it gives you an array of information and support. 49, the sequence number 172303, and also the number of signatures 41,070,705. The new definitions were created on January 21, but was not released until today, Jan. There is a dedicated page for Symantec Endpoint Protection 12.1.3 (or later), where you have a range of support documents, and also the download for the latest definitions, which you can find here. You really need to make certain you are running this update because it offers the most secure, and up-to-date security content.
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If you wish to stay secure while running Symantec Endpoint Protection, then you will want to download the latest update, which is definitions version 180121aw.
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