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Thunderbird:Testing:Memory Usage Problems: Difference between revisions
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== Diagnosis Steps == | == Diagnosis Steps == | ||
# Are you using the newest Thunderbird? <small> | # Are you using the newest Thunderbird? <small>The newest version available for your OS and channel type will be at https://thunderbird.net/download. (The default channel for users is "esr", not "release".) If the version on that page does not match what is offered at Help > About in Thunderbird, check the [https://www.thunderbird.net/system-requirements/ current System Requirements] to see whether your OS is supported.</small> | ||
#Start Thunderbird in [https://support.mozilla.org/kb/troubleshoot-mode-thunderbird Troubleshoot Mode]. If it helped then start in normal mode | #Start Thunderbird in [https://support.mozilla.org/kb/troubleshoot-mode-thunderbird Troubleshoot Mode]. If it helped then start in normal mode and if the problem returned:<small> | ||
#*Visit | #*Visit Add-ons and Themes - disable two or more extensions, themes or language packs at a time to determine which might be causing the problem. Are any in the [[#Other_Software|list of Problem Extensions]]? | ||
#*Contact the '''author''' of suspected bad add-ons using their support website or email. | #*Contact the '''author''' of suspected bad add-ons using their support website or email. </small> | ||
#'''Start OS in safe mode. Instructions: [https://support.microsoft.com/en-us/help/12376/windows-10-start-your-pc-in-safe-mode win10], [https://support.microsoft.com/en-us/help/17076/windows-8-startup-settings-safe-mode win8], [https://support.microsoft.com/en-us/help/17419/windows-7-advanced-startup-options-safe-mode#start-computer-safe-mode=windows-7 win7], [https://support.apple.com/kb/PH25617?locale=en_US MacOS]. If performance is improved in safe mode, then''' | #'''Start OS in safe mode. Instructions: [https://support.microsoft.com/en-us/help/12376/windows-10-start-your-pc-in-safe-mode win10], [https://support.microsoft.com/en-us/help/17076/windows-8-startup-settings-safe-mode win8], [https://support.microsoft.com/en-us/help/17419/windows-7-advanced-startup-options-safe-mode#start-computer-safe-mode=windows-7 win7], [https://support.apple.com/kb/PH25617?locale=en_US MacOS]. If performance is improved in safe mode, then'''<small> | ||
#* test with antivirus disabled or removed - because we constantly see reports of antivirus causing slowness, and disabling isn't always reliable. Check [[Thunderbird:Testing:Antivirus Related Performance Issues|AV performance issues]] for examples for your software, including [[Thunderbird:Testing:Antivirus_Related_Performance_Issues#Microsoft_Windows_Defender_aka_%22Antimalware_Service_Executable%22_(ASE)_aka_MsMpEng.exe|Microsoft Defender]] | #* test with antivirus disabled or removed - because we constantly see reports of antivirus causing slowness, and disabling isn't always reliable. Check [[Thunderbird:Testing:Antivirus Related Performance Issues|AV performance issues]] for examples for your software, including [[Thunderbird:Testing:Antivirus_Related_Performance_Issues#Microsoft_Windows_Defender_aka_%22Antimalware_Service_Executable%22_(ASE)_aka_MsMpEng.exe|Microsoft Defender]] | ||
#* test with firewall disabled or removed | #* test with firewall disabled or removed [https://support.mozilla.org/en-US/questions/1133857 Ad-Aware example] | ||
#* check for software loaded at boot time as a possible cause | #* check for software loaded at boot time as a possible cause | ||
#* run only one antivirus, one firewall, one malware (never multiples of each - more is not better) | #* run only one antivirus, one firewall, one malware (never multiples of each - more is not better) | ||
#* on macOS, try with [https://support.apple.com/kb/PH25607 Time Machine disabled] | #* on macOS, try with [https://support.apple.com/kb/PH25607 Time Machine disabled] | ||
#* check for newer version of AV/firewall software, and check with vendor's support site for problem reports | #* check for newer version of AV/firewall software, and check with vendor's support site for problem reports </small> | ||
#Do you see "Unresponsive Script" or "Not Responding"? Is Thunderbird excluded in your [[Thunderbird:Testing:Antivirus Related Performance Issues|antivirus software]]? | #Do you see "Unresponsive Script" or "Not Responding"? Is Thunderbird excluded in your [[Thunderbird:Testing:Antivirus Related Performance Issues|antivirus software]]? | ||
#Has a proxy ever been defined, and is it working correctly or was the proxy removed? (A proxy can cause "Unresponsive script") | #Has a proxy ever been defined, and is it working correctly or was the proxy removed? (A proxy can cause "Unresponsive script") | ||
#Does turning off the status bar in View > Toolbars help improve performance? | #Does turning off the status bar in View > Toolbars help improve performance? | ||
#Do you have Calendars? | #Do you have Calendars?<small> | ||
#*Try disabling two or more calendars at a time. | #*Try disabling two or more calendars at a time. | ||
#*If you have many recurring, never ending calendar appointments try reducing the time period and number of them. | #*If you have many recurring, never ending calendar appointments try reducing the time period and number of them. Less likely starting with version 128's fix for {{bug|1844408}}. Examples: [https://www.reddit.com/r/Thunderbird/comments/16c89wo], [https://www.reddit.com/r/Thunderbird/comments/18ypd8r/comment/kgcyox8/] | ||
#*Try setting calendar.caldav.multigetBatchSize > 100 | #*Try setting calendar.caldav.multigetBatchSize > 100 (100 is default, you must create the preference [https://bugzilla.mozilla.org/show_bug.cgi?id=1543953])</small> | ||
#'''If you have gmail accounts, is problem gone after [http://kb.mozillazine.org/Using_Gmail_with_Thunderbird_and_Mozilla_Suite#Subscriptions unsubscribing the "All Mail" folder]?''' | #'''If you have gmail accounts, is problem gone after [http://kb.mozillazine.org/Using_Gmail_with_Thunderbird_and_Mozilla_Suite#Subscriptions unsubscribing the "All Mail" folder]?''' | ||
#Is "Unified Folders" enabled in "Folder Modes"? Or are have you created virtual folders? These | #Is "Unified Folders" enabled in "Folder Modes" at the top of the folder pane? Or are have you created virtual folders? These iterate over multiple folders and can affect responsiveness. | ||
#'''Folders should be well maintained'''. Help | #'''Folders should be well maintained'''. Help > Troubleshooting Information lists large folders. Folders may also be broken, which can be fixed with right+click, Properties > Repair. Signs of problems and common maintenance steps:<small> | ||
#* Do you see high memory or delay when opening a folder, deleting or archiving, moving message to a specific folder? | #* Do you see high memory or delay when opening a folder, deleting or archiving, moving message to a specific folder? | ||
#* Do any folders lose their sort order or column settings? | #* Do any folders lose their sort order or column settings? | ||
#* Do you empty Trash and Spam (junk) folders on a regular basis? '''These should not be larger than a few thousand messages, and you should not use these folders for long term storage. Does performance improve if you empty them?''' | #* Do you empty Trash and Spam (junk) folders on a regular basis? '''These should not be larger than a few thousand messages, and you should not use these folders for long term storage. Does performance improve if you empty them?''' An alternative to manual emptying is setting automatic retention value in Folder Properties. Also see [https://support.mozilla.org/en-US/questions/1226726, [https://support.mozilla.org/en-US/kb/menu-reference#w_empty-trash File menu], {{bug|1192827}} | ||
#* Do any Inbox or filtered folders have several thousand messages? If so, especially for Inbox, consider moving some messages to another folder. Perhaps use [https://support.mozilla.org/en-US/kb/archived-messages Archive]. | #* Do any Inbox or filtered folders have several thousand messages? If so, especially for Inbox, consider moving some messages to another folder. Perhaps use [https://support.mozilla.org/en-US/kb/archived-messages Archive]. | ||
#* Are [https://support.mozilla.org/en-US/kb/compacting-folders compacts] routinely performed? Compact must be automatic or done regularly (at least weekly) using [https://support.mozilla.org/en-US/kb/menu-reference#w_compact-folders manual File > Compact Folders]? | #* Are [https://support.mozilla.org/en-US/kb/compacting-folders compacts] routinely performed? Compact must be automatic or done regularly (at least weekly) using [https://support.mozilla.org/en-US/kb/menu-reference#w_compact-folders manual File > Compact Folders]?</small> | ||
# On Windows, did you move the Thunderbird profile directory or any Thunderbird account from the default location "[https://www.nextofwindows.com/how-to-access-user-profiles-appdata-folder-the-easiest-way-in-windows-7 %APPDATA%]"? If yes, then MS-Windows Search will [https://bugzilla.mozilla.org/show_bug.cgi?id=1083233 attempt to index all Thunderbird disk activity]. [http://www.sevenforums.com/general-discussion/215354-how-prevent-showing-search-results-drive-folder.html#post1805728 Disable Windows indexing for your Thunderbird data]. | # On Windows, did you move the Thunderbird profile directory or any Thunderbird account from the default location "[https://www.nextofwindows.com/how-to-access-user-profiles-appdata-folder-the-easiest-way-in-windows-7 %APPDATA%]"? If yes, then MS-Windows Search will [https://bugzilla.mozilla.org/show_bug.cgi?id=1083233 attempt to index all Thunderbird disk activity]. [http://www.sevenforums.com/general-discussion/215354-how-prevent-showing-search-results-drive-folder.html#post1805728 Disable Windows indexing for your Thunderbird data]. | ||
# On macOS, try disabling Thunderbird's access to Mac Contacts in Mac System Settings | # On macOS, try disabling Thunderbird's access to Mac Contacts in Mac System Settings > Privacy & Security > Contacts. | ||
# | #Does File > Offline > Work Offline (with Work Offline now "checked"), which stops checks for new mail, news and RSS feeds.<small> | ||
#* If Offline did not help, do File | Offline | Work Offline - Work Offline should now be "unchecked". | #* If Offline did not help, do File | Offline | Work Offline - Work Offline should now be "unchecked". | ||
#* If Offline did help, then go back Online (disable Offline) and ...: | #* If Offline did help, then go back Online (disable Offline) and ...: | ||
#**Does disabling interval checks for new mail help? (Account Settings | Server Settings | uncheck "Check for new messages every N minutes"). If it helps, then ... is a low value (1-3 minutes) specified for checking for new mail? | #**Does disabling interval checks for new mail help? (Account Settings | Server Settings | uncheck "Check for new messages every N minutes"). If it helps, then ... is a low value (1-3 minutes) specified for checking for new mail? Does increasing it to 5-10 minutes help? | ||
#**Is a low value (1-3 minutes) specified for draft autosave at Options | Composition | General | Auto Save every N minutes. | #**Is a low value (1-3 minutes) specified for draft autosave at Options | Composition | General | Auto Save every N minutes. Does increasing it to 5-10 minutes help? | ||
#**What type of mail account is this (imap or pop), and how many other accounts are the same type? | #**What type of mail account is this (imap or pop), and how many other accounts are the same type? | ||
#**Are you absolutely certain that antivirus software is not to blame? | #**Are you absolutely certain that antivirus software is not to blame? | ||
#**Are any non-Inbox IMAP folders configured to check for new messages via "always check this folder" in properties? Or is hidden preference mail.check_all_imap_folders_for_new set to true? These increase load on both Thunderbird and the mail server. | #**Are any non-Inbox IMAP folders configured to check for new messages via "always check this folder" in properties? Or is hidden preference mail.check_all_imap_folders_for_new set to true? These increase load on both Thunderbird and the mail server. {{Bug|729504}}</small> | ||
#Does problem resolve by disabling Global Search indexing? <small>Tools|Options|Advanced|General| uncheck Enable Global Search and Indexer (linux: Edit|Preferences|Advanced|... Mac: cmd , advanced tab) '''and restart Thunderbird.''' (note, disabling indexing also disables searching) | #Does problem resolve by disabling Global Search indexing? <small>Tools|Options|Advanced|General| uncheck Enable Global Search and Indexer (linux: Edit|Preferences|Advanced|... Mac: cmd , advanced tab) '''and restart Thunderbird.''' (note, disabling indexing also disables searching) | ||
#* If problem did not go away, or to recheck indexing behavior, enable the checkbox again and restart Thunderbird. | #* If problem did not go away, or to recheck indexing behavior, enable the checkbox again and restart Thunderbird. | ||
#* If the problem did go away - did Thunderbird have extremely high disk IO, seem to be stuck on indexing per Tools|Activity Manager, or is global-messages-db.sqlite (file used for global search) in your [http://kb.mozillazine.org/Profile_folder_-_Thunderbird profile folder] too big? | #* If the problem did go away - did Thunderbird have extremely high disk IO, seem to be stuck on indexing per Tools|Activity Manager, or is global-messages-db.sqlite (file used for global search) in your [http://kb.mozillazine.org/Profile_folder_-_Thunderbird profile folder] too big? Rule of thumb - the file should not be more than 10-20% of the combined size of all messages in directories Mail and ImapMail. | ||
#**Rename global-messages-db.sqlite (to keep it for later diagnosis), enable the Global Search checkbox, and restart Thunderbird. global-messages-db.sqlite will rebuild and your system load may be high until all your messages are reindexed, but your messages should not redownload from the server. | #**Rename global-messages-db.sqlite (to keep it for later diagnosis), enable the Global Search checkbox, and restart Thunderbird. global-messages-db.sqlite will rebuild and your system load may be high until all your messages are reindexed, but your messages should not redownload from the server. | ||
#**Please [https://bugzilla.mozilla.org/enter_bug.cgi?product=Thunderbird&format=guided file a bug] about your problem. | #**Please [https://bugzilla.mozilla.org/enter_bug.cgi?product=Thunderbird&format=guided file a bug] about your problem.</small> | ||
#Are any of these indexing methods enabled in Thunderbird: | #Are any of these indexing methods enabled in Thunderbird:<small> | ||
#* MS-Windows Integrated Search enable/disable at Tools|Settings|General|System Integration|Allow Windows Search [https://bugzilla.mozilla.org/show_bug.cgi?id=1294985#c9], [http://forums.mozillazine.org/viewtopic.php?p=14787494&sid=65155af350753b1b533816f9aa186ec2#p14787494], [http://forums.mozillazine.org/viewtopic.php?f=39&t=2998289&sid=b7f14103cb12448f427da681a0ba45c8&p=14571029#p14571029], [http://groups.google.com/group/mozilla.support.thunderbird/browse_thread/thread/93ab6d849bd87918/db493affc19d6520?lnk=gst&q=%22TB+3.1+Freezes%22+%22also+found%22#db493affc19d6520], [http://forums.mozillazine.org/viewtopic.php?p=14283935&#p14283935], [http://forums.mozillazine.org/viewtopic.php?f=39&t=2957945&p=14430851#p14430851], [https://support.mozilla.org/en-US/questions/1102258], [https://support.mozilla.org/en-US/questions/1154444], [https://connect.mozilla.org/t5/discussions/thunderbird-is-extremely-slow-after-the-new-ui-update-115-4-2/m-p/49791/highlight/true#M17793] | #* MS-Windows Integrated Search enable/disable at Tools|Settings|General|System Integration|Allow Windows Search [https://bugzilla.mozilla.org/show_bug.cgi?id=1294985#c9], [http://forums.mozillazine.org/viewtopic.php?p=14787494&sid=65155af350753b1b533816f9aa186ec2#p14787494], [http://forums.mozillazine.org/viewtopic.php?f=39&t=2998289&sid=b7f14103cb12448f427da681a0ba45c8&p=14571029#p14571029], [http://groups.google.com/group/mozilla.support.thunderbird/browse_thread/thread/93ab6d849bd87918/db493affc19d6520?lnk=gst&q=%22TB+3.1+Freezes%22+%22also+found%22#db493affc19d6520], [http://forums.mozillazine.org/viewtopic.php?p=14283935&#p14283935], [http://forums.mozillazine.org/viewtopic.php?f=39&t=2957945&p=14430851#p14430851], [https://support.mozilla.org/en-US/questions/1102258], [https://support.mozilla.org/en-US/questions/1154444], [https://connect.mozilla.org/t5/discussions/thunderbird-is-extremely-slow-after-the-new-ui-update-115-4-2/m-p/49791/highlight/true#M17793] | ||
#* MS-Windows Search service [http://forums.mozillazine.org/viewtopic.php?p=13750937#p13750937 try disabling], especially with [https://bugzilla.mozilla.org/show_bug.cgi?id=1262517 Windows 10], {{bug|1436278}}, or if you moved Thunderbird profile or account from the default location [https://support.mozilla.org/en-US/questions/1117146?page=2#answer-885401], [https://bugzilla.mozilla.org/show_bug.cgi?id=1083233], [https://bugzilla.mozilla.org/show_bug.cgi?id=1283908]. If that helps, you can [http://www.sevenforums.com/general-discussion/215354-how-prevent-showing-search-results-drive-folder.html#post1805728 disable Windows indexing for your Thunderbird data]. | #* MS-Windows Search service [http://forums.mozillazine.org/viewtopic.php?p=13750937#p13750937 try disabling], especially with [https://bugzilla.mozilla.org/show_bug.cgi?id=1262517 Windows 10], {{bug|1436278}}, or if you moved Thunderbird profile or account from the default location [https://support.mozilla.org/en-US/questions/1117146?page=2#answer-885401], [https://bugzilla.mozilla.org/show_bug.cgi?id=1083233], [https://bugzilla.mozilla.org/show_bug.cgi?id=1283908]. If that helps, you can [http://www.sevenforums.com/general-discussion/215354-how-prevent-showing-search-results-drive-folder.html#post1805728 disable Windows indexing for your Thunderbird data]. | ||
#* Mac Spotlight at Thunderbird|Settings|System Integration | #* Mac Spotlight at Thunderbird|Settings|System Integration</small> | ||
#If you see high CPU usage in Windows taskmgr, Mac activity manager, or linux top, sort the CPU column (details tab for Windows) to see if [http://forums.mozillazine.org/viewtopic.php?p=12641015#p12641015 mozilla updater.exe], Window's update or some other process is hogging CPU. | #If you see high CPU usage in Windows taskmgr, Mac activity manager, or linux top, sort the CPU column (details tab for Windows) to see if [http://forums.mozillazine.org/viewtopic.php?p=12641015#p12641015 mozilla updater.exe], Window's update or some other process is hogging CPU. | ||
#If you have newsgroup accounts, then in Account Settings|Server Settings try disabling "Check for new messages at startup". <small>If problem is gone you may be seeing [https://groups.google.com/d/msg/mozilla.support.thunderbird/_6yvdz0de9g/9KJVVBqIAwAJ many newsgroups with many unread messages], {{bug|185634}}, {{Bug|541001}}, or [http://forums.mozillazine.org/viewtopic.php?p=9900989&sid=e32e1e42a3ddcac8c8605a1cbea6b2e8#p9900989].</small> | #If you have newsgroup accounts, then in Account Settings|Server Settings try disabling "Check for new messages at startup". <small>If problem is gone you may be seeing [https://groups.google.com/d/msg/mozilla.support.thunderbird/_6yvdz0de9g/9KJVVBqIAwAJ many newsgroups with many unread messages], {{bug|185634}}, {{Bug|541001}}, or [http://forums.mozillazine.org/viewtopic.php?p=9900989&sid=e32e1e42a3ddcac8c8605a1cbea6b2e8#p9900989].</small> | ||
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#* Is "Automatically create tags from feed category names" enabled? [https://bugzilla.mozilla.org/show_bug.cgi?id=1342054] | #* Is "Automatically create tags from feed category names" enabled? [https://bugzilla.mozilla.org/show_bug.cgi?id=1342054] | ||
#* In Account Settings|Server Settings disable "Check for new messages at startup". <small>If problem is gone you may be seeing {{Bug|551144}} (fixed in version 13).</small> | #* In Account Settings|Server Settings disable "Check for new messages at startup". <small>If problem is gone you may be seeing {{Bug|551144}} (fixed in version 13).</small> | ||
#Is your '''[https://support.mozilla.org/en-US/kb/profiles-tb Thunderbird profile]''' or any part of Thunderbird <u>not</u> on a local hard drive? If not local, does it preform better when it is moved to the local disk?<small> | |||
#Is your '''[https://support.mozilla.org/en-US/kb/profiles-tb Thunderbird profile]''' or any part of Thunderbird <u>not</u> on a local hard drive? If not local, does it preform better when it is moved to the local disk? | |||
#* Cloud storage is not supported. | #* Cloud storage is not supported. | ||
#* USB drives are slower compared to a local disk. Some types or manufacturers are terrible. [http://portableapps.com/shop/hardware Make sure you've got a good one.] | #* USB drives are slower compared to a local disk. Some types or manufacturers are terrible. [http://portableapps.com/shop/hardware Make sure you've got a good one.] | ||
#* network drive can be slow due to network transmission or slow media (SMB, NFS, AFS, samba) | #* network drive can be slow due to network transmission or slow media (SMB, NFS, AFS, samba)</small> | ||
# | #Consider slow disk or high disk activity<small> | ||
#* check the previous item (NFS, etc) | #* check the previous item (NFS, etc) | ||
#* SSD? (sounds silly but some SSD are slow, plus heavy paging or other IO will kill a SSD throughput) | |||
#* in Windows you want at least 20% free disk space, and for spinning disks do periodic defrags | #* in Windows you want at least 20% free disk space, and for spinning disks do periodic defrags | ||
#* check whether any OS or application update process is in progress, for example [https://support.mozilla.org/en-US/questions/1226979 Windows update] | #* check whether any OS or application update process is in progress, for example [https://support.mozilla.org/en-US/questions/1226979 Windows update]</small> | ||
#Check activity in Tools > Activity Manager to see if a folder or ISP (mail provider) is being lame. Examples: Yahoo and Gmail (and others) may cause message folders to be redownloaded. <small>[https://support.mozilla.org/en-US/questions/1202731 slow downloading email (Centurylink)]</small> | |||
#Check activity in Tools > Activity Manager to see if ISP (mail provider) is being lame. Examples: Yahoo and Gmail (and others) may cause message folders to be redownloaded. <small>[https://support.mozilla.org/en-US/questions/1202731 slow downloading email (Centurylink)]</small> | #Common resource requirements and hardware checks:<small> | ||
#Common resource requirements | #* Does your system have the [https://www.thunderbird.net/system-requirements/ minimum hardware requirements] for the current version, especially [[#Memory_Overview|memory]]? NOTE: minimum recommended size may not be sufficient for Thunderbird and <u>your</u> system's workload. Paging, even if you have a fast SSD, will kill performance - check activity manager, activity monitor or top. | ||
#* | #* Consider hardware problems - run checks against disks, SSD, memory. We get several reports a year, for example [http://forums.mozillazine.org/viewtopic.php?p=14414969#p14414969], [https://support.mozilla.org/en-US/questions/1090651] | ||
#* Consider hardware | #* Check BIOS settings: [[http://forums.mozillazine.org/viewtopic.php?p=14773844#p14773844 hanging when sending messages if VT-x is enabled in BIOS]] | ||
#* Check BIOS settings: [[http://forums.mozillazine.org/viewtopic.php? | #* If Thunderbird is running in a VM (virtual machine), is it better when not virtualized?</small> | ||
#* If Thunderbird is running in a VM (virtual machine), | |||
#On Linux? | #On Linux? | ||
#*A package might be causing the problem [https://www.reddit.com/r/Thunderbird/comments/183tc5h/suddenly_slow_thunderbird_on_linux_gentoo_how_to/] | #*A package might be causing the problem [https://www.reddit.com/r/Thunderbird/comments/183tc5h/suddenly_slow_thunderbird_on_linux_gentoo_how_to/] | ||
#*Are you running an old version of linux, consider updating. [http://forums.mozillazine.org/viewtopic.php?p=13605851#p13605851 hangs on Ubuntu 10.04, 14.04 works] | #*Are you running an old version of linux, consider updating. [http://forums.mozillazine.org/viewtopic.php?p=13605851#p13605851 hangs on Ubuntu 10.04, 14.04 works] | ||
#Lower probability items:<small> | |||
#* Any Outlook or Hotmail accounts? {{Bug|1355885}} | |||
#* Is filter logging enabled at Tools > Filters? (look for filterlog.html files - large logs cause high overhead) | |||
#* Do you use server side message filters to place messages in folders? {{Bug|589310}} | |||
#* Do you have thousands of contacts in your address book? possible related issues: google contacts add-on], [http://hogiblog.blogspot.com/2012/01/reducing-memory-usage-of-google.html?showComment=1333621724776#comment-c8055257360225747824] | |||
#* clear cache at Settings > General > Disk Space > "Clear Now" and Help > Troubleshooting Information > "Clear startup cache..." | |||
#* uninstall Thunderbird, then '''DELETE''' the Thunderbird '''PROGRAM''' directory (not the data directory), then [https://www.mozilla.org/thunderbird/ download], reinstall, and retest Thunderbird. If using beta get it from [https://www.thunderbird.net/download/beta/ channels]. | |||
#*If [[#Memory Overview|Thunderbird memory usage is more than 1.5GB or more]] then folders may be corrupted or are not being closed. Please get a diagnostic log of Thunderbird activity with '''MSGDB:5,timestamp''' using [[MailNews:Logging|logging instructions]], then [https://bugzilla.mozilla.org/enter_bug.cgi?product=Thunderbird&format=guided file a bug], and attach the zipped log file using "Add an attachment".</small> | |||
#If you have a reportable problem or question, please use the next section below. | #If you have a reportable problem or question, please use the next section below. | ||