An odd problem: you try running an old installer and it crashes. There’s nothing actually wrong with the installer, it’s just that the rules have changed.
Gatekeeper
Apple has today pushed an update to the configuration data used by Gatekeeper, bringing it to version 135. […]
With XProtect and MRT providing such extensive protection against malware, who could possibly need anything else? Where could they possibly fall short?
Now provides complete details of security updates, and simple tools to check for and install any pending updates.
Now offers three different ways of checking for updates, which should be compatible with El Capitan, Sierra, and High Sierra.
Two significant fixes for El Capitan, and one for all users, should bring this beta release closer to the final.
Fixes a couple of issues when run in El Capitan, including the Check for security update button.
Now tells you of the latest installed updates, macOS and security updates, and lets you force and install any outstanding updates.
Release at last: the only complete check of your Mac’s built-in security systems. Free as ever. And the next version is coming very shortly too.
Yes, LockRattler 4 runs on El Capitan at last! This version improves its behaviour, and should make it more bombproof.
The Eclectic Light Company 