Norton 360 has been a continual pain on the Mac. I uninstalled and redownloaded, but Mac won’t even let me open the Norton 360 install file. My Norton 360 for Mac quit working, won’t even load up after updating Mac to iOS 11.5.2.

Have tried to add extension on Safari – no joy. Would like to know if there is a work around for this issue – Source I am running macOS Big Sur, version 11.5.2 and for some reason, my Norton 360 is not launching. However, this is not a new case, the same problem has also been reported in the past. In detail, after upgrading to macOS Big Sur 11.5.2 and even the latest macOS 11.6, some users are unable to open the Norton app. As such, some macOS Big Sur users running Norton 360 are facing trouble while opening or re-installing the Norton app.

However, there’s an issue being reported by the users who are using Norton 360 software on their Macs. It’s an all-in-one security solution that offers a bunch of services such as protection against malware, secure VPN, password manager, PC Cloud Backup, and more.

It covers both the Windows and macOS running devices. Other names may be trademarks of their respective owners.Norton 360 is a popular antivirus software that keeps an eye on viruses and spammers that could ruin your crucial data. The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License. Microsoft and the Window logo are trademarks of Microsoft Corporation in the U.S. Alexa and all related logos are trademarks of, Inc. App Store is a service mark of Apple Inc. Mac, iPhone, iPad, Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. Android, Google Chrome, Google Play and the Google Play logo are trademarks of Google, LLC. Firefox is a trademark of Mozilla Foundation. or its affiliates in the United States and other countries. NortonLifeLock, the NortonLifeLock Logo, the Checkmark Logo, Norton, LifeLock, and the LockMan Logo are trademarks or registered trademarks of NortonLifeLock Inc. LifeLock identity theft protection is not available in all countries.Ĭopyright © 2023 NortonLifeLock Inc. The Norton and LifeLock Brands are part of NortonLifeLock Inc.

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