The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
unrecoverable error - Security Agent was unable to create requested mechanism MKAuthPlugin:prelogin
The first thing you need to do is uninstall any and all McAfee software. Macs do not need AV software and they are known to cause issues.
Read:Effective defenses against malware and ot… - Apple Community
How to recover MacBook Air after receiving this message. The message appeared after performing a full scan using McAfee AV
