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.

ค้นหาฝ่ายสนับสนุน

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.

เรียนรู้เพิ่มเติม

Why do I continually get the following message even though I have closed Firefox? Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system.

  • 1 การตอบกลับ
  • 1 คนมีปัญหานี้
  • 8 ครั้งที่ดู
  • ตอบกลับล่าสุดโดย Hasan

more options

recently I receive the following message after having closed Firefox and attempt to open it. - Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system'. - I have closed any open bookmarks. Google is my home page and I have closed that as well.

recently I receive the following message after having closed Firefox and attempt to open it. - ''Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system'. - I have closed any open bookmarks. Google is my home page and I have closed that as well.

การตอบกลับทั้งหมด (1)

more options