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

I can't get Firefox to open on another person's desktop on the same computer.

  • 1 nzaghachinzaghachi
  • 2
  • 1 view
  • Nzaghachi ikpeazụ nke cor-el

more options

My sister and I share a computer. I downloaded 4.0 on my desktop.

Her Firefox old or new will not open. I tried to download 4.0 from her desktop. Several times. It just will not open. The said thing is she lost all her bookmarks.

I uninstalled and retried etc,

My sister and I share a computer. I downloaded 4.0 on my desktop. Her Firefox old or new will not open. I tried to download 4.0 from her desktop. Several times. It just will not open. The said thing is she lost all her bookmarks. I uninstalled and retried etc,

All Replies (1)

more options

Did you try a new profile?

Did you check all security software?