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!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was closed and archived. Please ask a new question if you need help.

XUL Runner This profile was last used with a newer version of this application. Please create a new profile.

more options

What's this?

"XUL Runner This profile was last used with a newer version of this application. Please create a new profile."

What's this? "XUL Runner This profile was last used with a newer version of this application. Please create a new profile."
Attached screenshots

All Replies (1)

more options

Hmm, your question duplicated. Let's continue here: https://support.mozilla.org/questions/1432959