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 keeps 'not responding' and running very slow

  • 2 replies
  • 3 have this problem
  • 6 views
  • Paskiausią atsakymą parašė Wayne Mery

more options

When trying to open then delete an e-mail Thunderbird runs very slow and the message comes up 'Not Responding' and I have to wait until it responds .Running Windows 7

When trying to open then delete an e-mail Thunderbird runs very slow and the message comes up 'Not Responding' and I have to wait until it responds .Running Windows 7

All Replies (2)

more options

What is your anti-virus software?

more options

Hi Derrick.

Can you give us an update please? We'd like to understand and know your situation, even if you resolved it.

Thanks