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

Cannot Download T-bird 400 Bad Request

  • 1 reply
  • 1 has this problem
  • 4 views
  • Last reply by Zenos

more options

Unable to download Thunderbird. Error Message at the page "400 Bad Request"

Unable to download Thunderbird. Error Message at the page "400 Bad Request"

All Replies (1)

more options

Where are you downloading from?

https://www.mozilla.org/en-US/thunderbird/all.html

is my own preferred starting point.