Canmove, confirm
2,082
edits
Changes
m
<br><br>The information below is from users like you. These are not the result of organized testing. <br><br>If you have a problem that is not listed here, please help other users by adding your experience to the list. (create a wiki account, and select edit to change the wiki)
* Images not displaying
refresh
'''This article is not just about performance issues.''' Antivirus software can also [[Thunderbird:Testing:Antivirus_Related_Performance_Issues#symptoms|cause odd behavior (bad, incorrect or unusual), and crashes (random or consistent, infrequent or frequent)]].
<br>If you have a problem that is not listed here, please help other users by adding your experience to the list. (create a wiki account, and select edit to change the wiki)
{| width="220" cellspacing="1" cellpadding="2" border="1" align="center" summary="List of other pages related to this one"
|}
|}
= Symptoms =
Possible symptoms, which can be consistent or randombehaviors:* Mild to severe poor performanceslowness
* Not able to get new mail
* OS hangs or crashes
* Images not displaying
... while doing the following:
* Starting Thunderbird
* Opening file attachments
* Selecting a different folder
* Replying to a message / Sending a message
* Downloading or attempting to get new messages (receiving mail)
* Initial mailbox indexing when upgrading to 3.0.1 from a previous version for global search
= My Problem Cannot be Caused by Antivirus =
= First Steps =
'''The quickest A quick way to test in the impact of antivirus and other software on Thunderbird is to [http://bit.ly/1MU6eMa start Windows in safe mode], or [https://support.apple.com/en-us/HT201262 start Mac in safe mode].''' If problem is gone with operating system in safe mode, then the cause is often can be antivirus or some other softwareloading during the OS startup.
'''*NOTE, disabling antivirus through using AV settings has proven over the years to not be a perfect or sufficient test. Sometimes it workssetting changes work, but often does not and so the only test that can be fully trusted is OS safe mode.'''
'''*NOTE, if you altered the default Thunderbird file locations (Thunderbird profile location, or location of Thunderbird accounts, to store mail somewhere on a non-standard location, folders) then you MUST change your antivirus software to exclude these nonstandard locations.'''
= Testing Suggests My Problem is Caused by Antivirus Software =
