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!

Sykje yn Support

Mij stipescams. Wy sille jo nea freegje in telefoannûmer te beljen, der in sms nei ta te stjoeren of persoanlike gegevens te dielen. Meld fertochte aktiviteit mei de opsje ‘Misbrûk melde’.

Learn More

Dizze konversaasje is argivearre. Stel in nije fraach as jo help nedich hawwe.

I downloaded version 4.0.1 and it crashed my system- my Norton no longer works and Firefox browser won't open. I did system restore which did not fix it. I tried downloading 4.0.1 again, it freezes when it tries to open "Checking add-on compatibility".

  • 1 antwurd
  • 4 hawwe dit probleem
  • 1 werjefte
  • Lêste antwurd fan Elka29

more options

I downloaded version 4.0.1 and it crashed my system, my Norton no longer works and the Mozilla Firefox browser won't open. I did a system restore, which did not fix it. I tried downloading 4.0.1 again, it freezes when it tries to open "Checking add-on compatibility". What the heck is going on??

I downloaded version 4.0.1 and it crashed my system, my Norton no longer works and the Mozilla Firefox browser won't open. I did a system restore, which did not fix it. I tried downloading 4.0.1 again, it freezes when it tries to open "Checking add-on compatibility". What the heck is going on??

Alle antwurden (1)

more options

When I downloaded new stupid version causing crash my system My Norton gone after 4 h struggling finally I got it back but only protection I lost my identity safe data witch is very important for me my password can not be verify and I can not fix it I'm so mad I want old version back