Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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.

Thunderbird 52.4.0 (64-бит) works very slow after last update of ThB on MacOS 10.10.5

  • 1 reply
  • 1 has this problem
  • 5 views
  • Last reply by Wayne Mery

mmax
mmax
more options

ThB works very slow after last update - opens new windows slow, texting an email is slow, finds any information slow. Everything's done with huge delays and lags.

ThB works very slow after last update - opens new windows slow, texting an email is slow, finds any information slow. Everything's done with huge delays and lags.

All Replies (1)

Wayne Mery
Wayne Mery
  • Moderator
  • Top 10 Contributor
more options

Please have a look at https://wiki.mozilla.org/Thunderbird:Testing:Memory_Usage_Problems and post your results.