Mozilla Firefox

In order to fix the English language pack message on Mozilla Firefox:

1. Open Firefox and navigate to the hamburger icon in the top right,
2. Click on “Settings”
   
   
   
   
3. Scroll down the Settings page until you come to the Language Section. Locate the “Select Alternatives…” button and click on it
   
   
   
4. In the new window, select the “Select a language to add…” drop down
   
   
   
5. Click on “Search for more languages…” and search for English (US) or English (GB)
   
   
   
6. Select one of them
   
   
   
7. Once one of the English languages is selected, press the “Add” button and finalize the changes by pressing “OK”
   
   
   
8. Close Firefox completely, including all open windows and tabs and restart the browser. RSLog should now be accessible.