Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

firefox do not open new window

more options

firefox makes many time to open a new window. everytime I want open a new window by cmd+n or file>new window firefox wait about two minutes before opening... i'm running firefox 3.6.3 on a mac book pro+leopard up-to-date. but when I try to open a new tab in a existing window, it work well. the problem appears since I've updated the last firefox version. thanks for your support

This happened

Every time Firefox opened

selecting cmd+n or file>new window

User Agent

Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_8; fr-fr) AppleWebKit/531.22.7 (KHTML, like Gecko) Version/4.0.5 Safari/531.22.7

firefox makes many time to open a new window. everytime I want open a new window by cmd+n or file>new window firefox wait about two minutes before opening... i'm running firefox 3.6.3 on a mac book pro+leopard up-to-date. but when I try to open a new tab in a existing window, it work well. the problem appears since I've updated the last firefox version. thanks for your support == This happened == Every time Firefox opened == selecting cmd+n or file>new window == == User Agent == Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_8; fr-fr) AppleWebKit/531.22.7 (KHTML, like Gecko) Version/4.0.5 Safari/531.22.7

Chosen solution

I had the same problem, I solved it be deactivating an Addon, Fast Video Download. Now Firefox works as it should again.

Read this answer in context 👍 0

All Replies (1)

more options

Chosen Solution

I had the same problem, I solved it be deactivating an Addon, Fast Video Download. Now Firefox works as it should again.