Windows Defender Kb915597 Definition 155 11190 Better ^hot^ | Download Definition Update For

Note: Microsoft’s update catalog lists many successive definitions; verify the file version displays 155.11190 or the accompanying file name matches that number.

Definition 155 and 11190 refer to the specific version of the malware definitions included in the KB915597 update. These numbers indicate the level of the definition update and can be used to track the version of the definitions being used by Windows Defender.

You will see two primary files:

The update is the standard daily security intelligence (definition) update for Microsoft Defender Antivirus