I have just tried Chrome's Flixster. Program loads but the trailer request play just gives a black screen.
Have tried re-installing Flash, Totem but no change.
Any suggestions gratefully received, as I'm stumped. Please.
I never realized there are two copies of Chrome. A Ubuntu version "Chrome browser" and the Google version " Google Chrome stable", both in the package manager.
Flixster does not work in Ubuntu Chrome, so I have just installed the 'stable' version and it works a treat.

