FIrefox - многообразный Cannot access интернет-сайты

(Ubuntu 14.04) - Фирефокс Иссуе.

Hi,

Recently installed Ubuntu схвати my main ВЫ and гm having trouble accessing two интернет-сайты, I май be missing something small and the obvious here so include information не matter how small, thanks.

(1) Firefox - E4 Player;

Видео will not похвалите, have typed "about:config" in Веб browser унифицированный указатель ресурса and "javascript.enabled" is set to true and not highlighted in bold.

Have not attempted to install any other plugins or attempted anything else.

(2) https://hre.ceridianhre.com/mandslive/marksandspencer.aspx

It's the work page for M&S, it says "Ошибка - This functionality is not currently supported on your browser or device". гm not sure if this requires an external plugin, updated plugin or wont work all together?

It's not the be all and end all схвати I хан access it at work but ideally needs to be accessible from home.

Thankyou for reading and any help provided.