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!

Rechercher dans l’assistance

Évitez les escroqueries à l’assistance. Nous ne vous demanderons jamais d’appeler ou d’envoyer un SMS à un numéro de téléphone ou de partager des informations personnelles. Veuillez signaler toute activité suspecte en utilisant l’option « Signaler un abus ».

Learn More

what is the red border

  • 2 réponses
  • 4 ont ce problème
  • 6 vues
  • Dernière réponse par cor-el

more options

I just got a new computer with Windows 8 and a touch screen. I opened up Firefox and have found that the top of the browser, above the tabs, is pink-red and there are thin borders around the browser with the same color as well. Occasionally, it will go back to the original light blue color but then goes right back to the pink-red. I've not been able to find out what they are supposed to mean. Thanks!

I just got a new computer with Windows 8 and a touch screen. I opened up Firefox and have found that the top of the browser, above the tabs, is pink-red and there are thin borders around the browser with the same color as well. Occasionally, it will go back to the original light blue color but then goes right back to the pink-red. I've not been able to find out what they are supposed to mean. Thanks!

Toutes les réponses (2)

more options

Could you attach a screenshot?

Try to use JPG or PNG image file format and make it public view.

more options

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 or otherwise make changes.

Which security software (firewall, anti-virus) do you have?

Some security software has virtualization or sandbox features and can use such means to show that the browser is running in such a protected environment.