I am unable to play Amazon Prime videos with the Chrome/Firefox browser. I've tried deleting the Flash folder and re-installed the OS.
Youtube works but not Amazon Prime.
Try 1: Clear Cache Flash
cd ~/.adobe/Flash_Player rm -rf NativeCache AssetCache APSPrivateData2
Try 2: Install Older version of Flash
Some other sites have installing HAL and running hald but that was not working either as it seems to be a deprecated.
sudo apt-get install hal