Canon CAPT Driver v2.4 was to be download from a link posted here, but when I write this the link is dead.
I had the driver and have uploaded it here.
But I suppose the driver and even a newer version should be available. Is it?
The latest version of the Canon CAPT Driver is version
The instructions for installing the Canon CAPT Driver v2.6 in Ubuntu 14.04 are found at the Ubuntu Canon Capt Driver wiki under the Ubuntu 14.04 Install heading.