First of all, please assure that the latest version of Flux:: Center is installed on both the Online and the Offline computer.
Download Only Mode
To install software on an offline computer using Flux:: Center you first need to download the software you want to install on a computer connected to the Internet.
To do this, set Flux:: Center in Download Only Mode under Global Options in Center’s Preferences, and then software can only be downloaded to Center’s cache, no installation is done.
If your offline computer has a different operating system than your online computer you can chose to download software for both Mac OS X and Windows.
When you’ve downloaded the products you want to install on the offline computer you need to export the cache and then import it into Flux:: Center on the offline computer.
Offline Install Mode
Set Flux:: Center in Offline Install Mode under Global Options in Center’s Preferences,
To import the cache with the products you want to install simply press Import Cache under Global Options in Center’s Preferences and import the cache file you’ve exported from your online computer and Flux:: Center is now ready to install the software in the cache on your offline computer.