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

Thunderbird is already running, but is not responding. The old Thunderbird process must be closed to open a new window.

  • 1 ŋuɖoɖo
  • 1 masɔmasɔ sia le esi
  • 15 views
  • Nuɖoɖo mlɔetɔ christ1

more options

I get this message every time I try to open Thunderbird. Thunderbird is already running, but is not responding. The old Thunderbird process must be closed to open a new window. What can I do?

I get this message every time I try to open Thunderbird. Thunderbird is already running, but is not responding. The old Thunderbird process must be closed to open a new window. What can I do?

All Replies (1)