Most of these can be set with command line options and many of them can be changed at runtime.
There are a few ways to see the full list of server system variables: By convention, server variables have usually been specified with an underscore in the configuration files, and a dash on the command line.
When an update is found, follow the on-screen instructions to download and install the update.
The application will need to restart to apply the update, but you can choose to restart later by pressing the Later button.
Also try closing any other running programs that may be interfering with the update process, such as the applications listed below.
Software Update is available in Firefox, Thunderbird, and Sea Monkey 2.
This article describes how to configure and run Software Update and discusses problems that can occur during or after an update.
Note: You'll need to show hidden files and folders to find these locations: A Software Update "Update Failed" error, Something is trying to trick Firefox into accepting an insecure update.
Please contract your network provider and seek help, has been reported to Mozilla in bug 653830 (under investigation at time of writing). If you see a Software Update Failed error with the message, One or more files could not be updated.