Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Pomoc přepytać

Hladajće so wobšudstwa pomocy. Njenamołwimy was ženje, telefonowe čisło zawołać, SMS pósłać abo wosobinske informacije přeradźić. Prošu zdźělće podhladnu aktiwitu z pomocu nastajenja „Znjewužiwanje zdźělić“.

Learn More

Private Browsing function is suddenly not working. Error message :"The URL is not valid and cannot be loaded." How can I repair?

  • 1 wotmołwa
  • 16 ma tutón problem
  • 1 napohlad
  • Poslednja wotmołwa wot cor-el

more options

Private Browsing function is suddenly not working. Error message :"The URL is not valid and cannot be loaded." How can I fix it?

Private Browsing function is suddenly not working. Error message :"The URL is not valid and cannot be loaded." How can I fix it?

Wšě wotmołwy (1)

more options

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).