messenger update

This update will eliminate the noise made by the optical disk drive

Secure instant messenger.

123 Web Messenger is a real-time instant messaging software for your own website

LAN Messenger for Small, Medium and Corporate Enterprises.

Prevents unauthorized overwrite of system EFI.

Addresses a critical security issue with the Network Time Protocol service.

Improves the stability of the Apple Thunderbolt Display.

Fix for security flaw in bash.

For the MacBook Air (Mid 2011) models.

For mid 2013 MacBook Air models.