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Why is there a big check mark hovering over the list of my messages in my inbox?

  • 1 reply
  • 1 has this problem
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  • Last reply by Matt

jcfolke
jcfolke
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See attached image. The checkmark flickers when highlighting messages under it, but it will return as i scroll through the list.

See attached image. The checkmark flickers when highlighting messages under it, but it will return as i scroll through the list.
Attached screenshots

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Matt
Matt
  • Top 25 Contributor
  • Moderator
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Restart Thunderbird with add-ons disabled (Thunderbird Safe Mode). On the Help menu, click on "Restart with Add-ons Disabled". If Thunderbird works like normal, there is an Add-on or Theme interfering with normal operations. You will need to re-enable add-ons one at a time until you locate the offender.