A few hours after installing 2.92, my computer shut down without warning and when starting up, gave permissions errors about 'Security Agent can only be accessed by Apple software' - and wouldn't start up at all, forcing me to run permissions and disk repair checks via external drives until I could boot without T 2.92 running an active process.
I know 2.92 was the issue because the problem shut down my OS with beach ball as I started up 2.92 again on a clean isntall.
I remembered that 2.92 was to contain a script to eliminate the ransomware KeRanger and realized it might be working behind the scenes and causing a permissions/security issue.
I realized T 2.92 was the issue and reverted back to 2.91, booted again and no problem this time..
2.92 introduces its own security-breaching 'malware' to eliminate the ransomware packaged with 2.90 which can break your system entirely.
Instead remove the 2.90 KeRanger malware using the manual methods outlined here:
http://researchcenter.paloaltonetworks. ... installer/
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Here is my system

yes I did Google the issue but came up with nothing. I know T 9.2 caused it because the system ran fine until I tried executing it on a fresh reboot, and it broke menubar/dock and locked up all applications with beach ball. No I'm not entirely sure what the cause is, but I decided to post this as a warning.