In conclusion, downloading and installing definition update KB915597 (version 155) is essential to maintaining the security and integrity of your Windows system. By following the methods outlined in this article, you can ensure that Windows Defender remains effective in protecting your system against the latest malware threats. Remember to follow best practices for keeping Windows Defender up-to-date to ensure your system remains secure and protected.
Scroll down to and click Protection updates .
Update Security Intelligence Definition Version | Windows | NinjaOne
You will see two primary files: