You can get your desired currency unit in sites you browse by changing language to united kingdom.Follow these steps:

Open the Settings app. Scroll to the Personalization section and tap on Language.

On the next screen, tap on the drop-down menu to see the list of available languages.

The check mark indicates the language that's currently selected. Tap on your preferred language, and then tap OK to save your selection.

Hi Rubin, Thanks for suggestion. I cannot find the Settings app. How do you get to this app.? This is what I did. I opened the Menu, Options, Content, Languages, Choose - It was already displaying (en-gb). I closed Firefox and on reopening it was still showing undefined - before prices.

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.

• Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
• Do NOT click the Reset button on the Safe Mode start window

• https://support.mozilla.org/kb/Safe+Mode
• https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

https://addons.mozilla.org/en-us/firefox/addon/simple-currency-converter/#full-description

This addon might fix your issue.

You can check the order of the installed languages here:

• Tools > Options > Content > Languages

You can use websites like these to see how your location is reported via a reverse DNS look up of your IP:

• http://www.yougetsignal.com/tools/network-location/
• http://whatismyipaddress.com/

You can check the connection settings.

• Tools > Options > Advanced > Network : Connection > Settings
• https://support.mozilla.org/kb/Options+window+-+Advanced+panel

If you do not need to use a proxy to connect to internet then try to select "No Proxy" if "Use the system proxy settings" or one of the others do not work properly.

See "Firefox connection settings":

• https://support.mozilla.org/kb/Firefox+cannot+load+websites+but+other+programs+can

Clear the cache and remove cookies only from websites that cause problems.

"Clear the Cache":

• Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

• Firefox/Tools > Options > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"