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.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

I am having the same slowness, irratic, unstable issues with Thunderbird that I had 9 months ago. T-bird worked fine last sunday but now is unstable,

  • 1 பதிலளி
  • 2 இந்த பிரச்னைகள் உள்ளது
  • 1 view
  • Last reply by sfhowes

jmath
jmath
more options

Slow to download email, slow to respond or open email, slow or unable to delete email, "A script on this page may be busy....error message when trying to delete an email. I had similar problems before (9 mo ago) but they went away after dealing with McAfee. Thunderbird worked fine last sunday but when I tried to use it today I now have all these problems.

Slow to download email, slow to respond or open email, slow or unable to delete email, "A script on this page may be busy....error message when trying to delete an email. I had similar problems before (9 mo ago) but they went away after dealing with McAfee. Thunderbird worked fine last sunday but when I tried to use it today I now have all these problems.

All Replies (1)

sfhowes
sfhowes
  • Top 10 Contributor
more options

McAfee has been causing problems again this week, so the remedy remains the same:

https://wiki.mozilla.org/Thunderbird:Testing:Antivirus_Related_Performance_Issues#McAfee