Wočinjeny
Thunderbird 155.0 crashes when launching on macOS, even in Safe Mode
I run Thunderbird on MacOS for some years without a problem. Now, after a hard reboot, Thunderbird won't launch anymore. I tried reinstalling to no avail. Is there anything I could do here? Or do you need any more info? The crash report is as follows:
Translated Report (Full Report Below)
Process: thunderbird [8297] Path: /Applications/Thunderbird.app/Contents/MacOS/thunderbird Identifier: org.mozilla.thunderbird Version: 155.0 (15526.8.28) Code Type: X86-64 (Native) Parent Process: launchd [1] User ID: 501
Date/Time: 2026-09-09 13:49:46.3562 +0200 OS Version: macOS 15.0.1 (24A348) Report Version: 12 Anonymous UUID: A83FED70-635C-4178-5B0E-2FB36A313750
Sleep/Wake UUID: 9CEF8430-EEF8-43BB-AC16-8A9FF7407F51
Time Awake Since Boot: 25000 seconds Time Since Wake: 7284 seconds
System Integrity Protection: enabled
Crashed Thread: 0 MainThread Dispatch queue: com.apple.main-thread
Exception Type: EXC_GUARD (SIGKILL) Exception Codes: GUARD_TYPE_MACH_PORT Exception Codes: 0x0000000000000203, 0x0000000000000000
Termination Reason: Namespace GUARD, Code 2305843146652647939
Thread 0 Crashed:: MainThread Dispatch queue: com.apple.main-thread 0 libsystem_kernel.dylib 0x7ff815680e0e mach_msg2_trap + 10 1 libsystem_kernel.dylib 0x7ff81568f622 mach_msg2_internal + 84 2 libsystem_kernel.dylib 0x7ff815687f16 mach_msg_overwrite + 649 3 libsystem_kernel.dylib 0x7ff8156810ff mach_msg + 19 4 XUL 0x2f9aca7f4 0x2f35dd000 + 105830388 5 XUL 0x2f9ac4183 0x2f35dd000 + 105804163 6 XUL 0x2f9ac2884 0x2f35dd000 + 105797764 7 XUL 0x2f865b45b 0x2f35dd000 + 84403291 8 XUL 0x2f8685615 0x2f35dd000 + 84575765 9 XUL 0x2f868d2af 0x2f35dd000 + 84607663 10 XUL 0x2f868d80f 0x2f35dd000 + 84609039 11 thunderbird 0x10d03ab2a 0x10d03a000 + 2858 12 dyld 0x7ff8153342cd start + 1805
Thread 1:: AsyncSignalControlThread 0 libsystem_kernel.dylib 0x7ff81568187a read + 10 1 XUL 0x2f825612a 0x2f35dd000 + 80187690 2 XUL 0x2f82560dd 0x2f35dd000 + 80187613 3 libsystem_pthread.dylib 0x7ff8156c2253 _pthread_start + 99 4 libsystem_pthread.dylib 0x7ff8156bdbef thread_start + 15
Thread 2:: RegisterFonts 0 CoreFoundation 0x7ff81573a759 CFStringGetCharacters + 98 1 CoreFoundation 0x7ff815803d71 CFURLCreateFilePathURL + 1086 2 libFontRegistry.dylib 0x7ff81e9c2201 TLocalFontRegistryImp::RegisterFont(__CFURL const*, __CFDictionary const*, unsigned int, unsigned int, __CFError**) const + 459 3 libFontRegistry.dylib 0x7ff81e9c2c32 TLocalFontRegistryImp::RegisterFonts(__CFArray const*, __CFDictionary const*, unsigned int, unsigned int, __CFArray const**, __CFArray const**, __CFArray const**) const + 182 4 libFontRegistry.dylib 0x7ff81e9de0ff XTRegisterFonts2 + 701 5 CoreText 0x7ff817d6db29 _CTFontManagerRegisterActionFontsForURLs(__CFArray const*, CTFontManagerScope, bool, Action, __CFArray const**) + 339 6 CoreText 0x7ff817d6eef7 _CTFontManagerRegisterActionFontURLs(__CFArray const*, CTFontManagerScope, bool, Action, URLTrust, __CFArray const*, bool (__CFArray const*, bool) block_pointer) + 42 7 XUL 0x2f4b40609 0x2f35dd000 + 22427145 8 XUL 0x2f4b5deba 0x2f35dd000 + 22548154 9 libnss3.dylib 0x2da8bb369 0x2da709000 + 1778537 10 libsystem_pthread.dylib 0x7ff8156c2253 _pthread_start + 99 11 libsystem_pthread.dylib 0x7ff8156bdbef thread_start + 15
Thread 3: 0 libsystem_pthread.dylib 0x7ff8156bdbcc start_wqthread + 0
Thread 4: 0 libsystem_kernel.dylib 0x7ff815680e0e mach_msg2_trap + 10 1 libsystem_kernel.dylib 0x7ff81568f622 mach_msg2_internal + 84 2 libsystem_kernel.dylib 0x7ff815687f16 mach_msg_overwrite + 649 3 libsystem_kernel.dylib 0x7ff8156810ff mach_msg + 19 4 XUL 0x2f9aca16d 0x2f35dd000 + 105828717 5 XUL 0x2f9acaeac 0x2f35dd000 + 105832108 6 XUL 0x2f9acad91 0x2f35dd000 + 105831825 7 XUL 0x2fb206fa9 0x2f35dd000 + 130195369 8 libsystem_pthread.dylib 0x7ff8156c2253 _pthread_start + 99 9 libsystem_pthread.dylib 0x7ff8156bdbef thread_start + 15
Thread 5: 0 libsystem_pthread.dylib 0x7ff8156bdbcc start_wqthread + 0
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x000000001000000a rbx: 0x00000002db928340 rcx: 0x00007ff7b2ec4af8 rdx: 0x0000003480000013 rdi: 0x00000002db928340 rsi: 0x0000000400000011 rbp: 0x00007ff7b2ec4b60 rsp: 0x00007ff7b2ec4af8 r8: 0x0000000000000000 r9: 0x0000000000000001 r10: 0x0000000000002303 r11: 0x0000000000000206 r12: 0x00000000000007d0 r13: 0x0000000400000011 r14: 0x0000000000000000 r15: 0x0000000000000001 rip: 0x00007ff815680e0e rfl: 0x0000000000000206 cr2: 0x0000000000000000
Logical CPU: 0 Error Code: 0x0100002f Trap Number: 133
Binary Images:
0x10d03a000 - 0x10d042fff org.mozilla.thunderbird (155.0) <4c4c4439-5555-3144-a100-2f79b5ba51e1> /Applications/Thunderbird.app/Contents/MacOS/thunderbird
0x10d168000 - 0x10d1dcfff libmozglue.dylib (*) <4c4c4442-5555-3144-a1b2-7d8d2d6587df> /Applications/Thunderbird.app/Contents/MacOS/libmozglue.dylib
0x10d077000 - 0x10d083fff com.apple.CoreWiFi (1.0) <c356ba94-c112-3326-9011-74fc0bb4dfde> /System/Library/PrivateFrameworks/CoreWiFi.framework/Versions/A/CoreWiFi
0x10d444000 - 0x10d5dffff CoreWiFiOld.dylib (*) <d5ce0007-36ac-37a1-a5d7-07ad7365e60a> /System/Library/PrivateFrameworks/CoreWiFi.framework/Versions/A/CoreWiFiOld.dylib
0x10d056000 - 0x10d057fff com.apple.IO80211 (1.0) <c0791260-3db4-30e8-962c-1d7a90bbe2d5> /System/Library/PrivateFrameworks/IO80211.framework/Versions/A/IO80211
0x10d061000 - 0x10d061fff com.apple.WiFiPeerToPeer (652.55.0) <6de18c87-b584-3fba-b9f2-5439ee94f3f7> /System/Library/PrivateFrameworks/WiFiPeerToPeer.framework/Versions/A/WiFiPeerToPeer
0x17689e000 - 0x1768f1fff IO80211Old.dylib (*) <d5ce0007-f5f4-3ab8-a256-05df5202823b> /System/Library/PrivateFrameworks/IO80211.framework/Versions/A/IO80211Old.dylib
0x1e640b000 - 0x1e6432fff WiFiPeerToPeerOld.dylib (*) <d5ce0007-9684-3a09-bf78-fb3a4f8bb7b1> /System/Library/PrivateFrameworks/WiFiPeerToPeer.framework/Versions/A/WiFiPeerToPeerOld.dylib
0x2da709000 - 0x2da9d5fff libnss3.dylib (*) <4c4c449b-5555-3144-a1ce-153a9242e9fd> /Applications/Thunderbird.app/Contents/MacOS/libnss3.dylib
0x2dbc97000 - 0x2dc767fff libgkcodecs.dylib (*) <4c4c4478-5555-3144-a176-a5710479f9c6> /Applications/Thunderbird.app/Contents/MacOS/libgkcodecs.dylib
0x10d400000 - 0x10d423fff liblgpllibs.dylib (*) <4c4c44b4-5555-3144-a1b9-b5c664969bb6> /Applications/Thunderbird.app/Contents/MacOS/liblgpllibs.dylib
0x10d06b000 - 0x10d06bfff com.apple.framework.CoreWLAN (16.0) <cf40012c-37ff-356e-863f-24c150978974> /System/Library/Frameworks/CoreWLAN.framework/Versions/A/CoreWLAN
0x25d475000 - 0x25d4effff CoreWLANOld.dylib (*) <d5ce0007-0117-3ddb-beb8-5886a5f8b758> /System/Library/Frameworks/CoreWLAN.framework/Versions/A/CoreWLANOld.dylib
0x2f35dd000 - 0x2fe8e2fff XUL (*) <4c4c44ee-5555-3144-a15b-7a3b6ab61736> /Applications/Thunderbird.app/Contents/MacOS/XUL
0x10d42f000 - 0x10d430fff org.mozilla.channelprefs (1.0) <4c4c4410-5555-3144-a148-95c735c87f29> /Applications/Thunderbird.app/Contents/Frameworks/ChannelPrefs.framework/ChannelPrefs
0x7ff815680000 - 0x7ff8156bbfff libsystem_kernel.dylib (*) <10094a6c-fa57-367f-b06e-7c449ea31285> /usr/lib/system/libsystem_kernel.dylib
0x7ff81532e000 - 0x7ff8153ba32f dyld (*) <69c73748-37ae-3a6f-83af-690645c3da75> /usr/lib/dyld
0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ???
0x7ff8156bc000 - 0x7ff8156c7fff libsystem_pthread.dylib (*) <c0db9cf9-86ec-31d4-a557-2c07945fd8f2> /usr/lib/system/libsystem_pthread.dylib
0x7ff81572b000 - 0x7ff815bcaff2 com.apple.CoreFoundation (6.9) <541c6f06-0abc-39f5-a7d2-3cad5db19c04> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x7ff81e9af000 - 0x7ff81e9faff7 libFontRegistry.dylib (*) <31b7fceb-b146-3e8d-a297-87c67730f388> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib
0x7ff817c31000 - 0x7ff817e51ff5 com.apple.CoreText (841.0.0.1) <c3eb23cc-fc68-312e-bc9d-8e28a4a44da3> /System/Library/Frameworks/CoreText.framework/Versions/A/CoreText
External Modification Summary:
Calls made by other processes targeting this process: task_for_pid: 0 thread_create: 0 thread_set_state: 0 Calls made by this process: task_for_pid: 0 thread_create: 0 thread_set_state: 0 Calls made by all processes on this machine: task_for_pid: 0 thread_create: 0 thread_set_state: 0
VM Region Summary: ReadOnly portion of Libraries: Total=1.3G resident=0K(0%) swapped_out_or_unallocated=1.3G(100%) Writable regions: Total=7.6G written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=7.6G(100%)
VIRTUAL REGION
REGION TYPE SIZE COUNT (non-coalesced)
===== ======= =
Activity Tracing 256K 1 Kernel Alloc Once 8K 1 MALLOC 550.1M 21 MALLOC guard page 24K 6 STACK GUARD 56.0M 6 Stack 12.0M 6 VM_ALLOCATE 132.0M 18 VM_ALLOCATE (reserved) 7.1G 10 reserved VM address space (unallocated) __CTF 824 1 __DATA 30.4M 877 __DATA_CONST 95.2M 881 __DATA_DIRTY 2560K 333 __FONT_DATA 2352 1 __INFO_FILTER 8 1 __LINKEDIT 186.2M 17 __OBJC_RO 76.1M 1 __OBJC_RW 2354K 2 __TEXT 1.1G 902 __TPRO_CONST 272K 2 dsce.got 124K 1 dyld private memory 512K 2 mapped file 53.2M 51 owned unmapped memory 20K 1 shared memory 1124K 9
===== ======= =
TOTAL 9.4G 3151 TOTAL, minus reserved VM space 2.3G 3151
Full Report
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"uptime" : 25000,
"procRole" : "Background",
"version" : 2,
"userID" : 501,
"deployVersion" : 210,
"modelCode" : "MacBookPro15,2",
"coalitionID" : 1356,
"osVersion" : {
"train" : "macOS 15.0.1",
"build" : "24A348",
"releaseType" : "User"
},
"captureTime" : "2026-09-09 13:49:46.3562 +0200",
"codeSigningMonitor" : 0,
"incident" : "D8368554-B699-4AD8-A8A6-2C4175E89A69",
"pid" : 8297,
"cpuType" : "X86-64",
"roots_installed" : 0,
"bug_type" : "309",
"procLaunch" : "2026-09-09 13:49:45.0052 +0200",
"procStartAbsTime" : 25995372141555,
"procExitAbsTime" : 25996722299153,
"procName" : "thunderbird",
"procPath" : "\/Applications\/Thunderbird.app\/Contents\/MacOS\/thunderbird",
"bundleInfo" : {"CFBundleShortVersionString":"155.0","CFBundleVersion":"15526.8.28","CFBundleIdentifier":"org.mozilla.thunderbird"},
"storeInfo" : {"deviceIdentifierForVendor":"1F778C59-C2BF-597B-B4D7-068A27420DA1","thirdParty":true},
"parentProc" : "launchd",
"parentPid" : 1,
"coalitionName" : "org.mozilla.thunderbird",
"crashReporterKey" : "A83FED70-635C-4178-5B0E-2FB36A313750",
"codeSigningID" : "org.mozilla.thunderbird",
"codeSigningTeamID" : "",
"codeSigningFlags" : 570490881,
"codeSigningValidationCategory" : 1,
"codeSigningTrustLevel" : 4294967295,
"bootSessionUUID" : "3B94A2DF-4DD0-4B72-9BCF-22A7621B9373",
"wakeTime" : 7284,
"sleepWakeUUID" : "9CEF8430-EEF8-43BB-AC16-8A9FF7407F51",
"sip" : "enabled",
"sroute_id" : 12,
"exception" : {"port":515,"signal":"SIGKILL","guardId":0,"codes":"0x0000000000000203, 0x0000000000000000","violations":["ILLEGAL_MOVE"],"message":" ILLEGAL_MOVE on mach port 515 (guarded with 0x0000000000000000)","subtype":"GUARD_TYPE_MACH_PORT","type":"EXC_GUARD","rawCodes":[515,0]},
"termination" : {"namespace":"GUARD","flags":2,"code":2305843146652647939},
"extMods" : {"caller":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"system":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"targeted":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"warnings":0},
"faultingThread" : 0,
"threads" : 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Model: MacBookPro15,2, BootROM 2022.100.22.0.0, 4 processors, Quad-Core Intel Core i7, 2,11 GHz, 32 GB, SMC Graphics: Intel HD Graphics 620, Intel HD Graphics 620, Built-In Display: Unknown Display, 2048 x 1152, Main, MirrorOff, Online Memory Module: BANK 0/ChannelA-DIMM0, 16 GB, DDR4, 2400 MHz, SK Hynix, HMA82GS6AFR8N-UH Memory Module: BANK 2/ChannelB-DIMM0, 16 GB, DDR4, 2400 MHz, SK Hynix, HMA82GS6AFR8N-UH AirPort: spairport_wireless_card_type_wifi (0x14E4, 0x117), Broadcom BCM43xx 1.0 (7.77.111.1 AirPortDriverBrcmNIC-1772.1) AirPort: Bluetooth: Version (null), 0 services, 0 devices, 0 incoming serial ports Network Service: Wi-Fi, AirPort, en1 PCI Card: Intel HD Graphics 620, VGA compatible controller, Internal@0,2,0 PCI Card: Sunrise Point-LP HD Audio, Audio device, Internal@0,31,3 USB Device: USB30Bus USB Device: USB3.0-CRW USB Device: vendor_device USB Device: Integrated Camera USB Device: BRCM20702 Hub USB Device: Bluetooth USB Host Controller Thunderbolt Bus:
I run Thunderbird on MacOS for some years without a problem. Now, after a hard reboot, Thunderbird won't launch anymore. I tried reinstalling to no avail. Is there anything I could do here? Or do you need any more info? The crash report is as follows:
-------------------------------------
Translated Report (Full Report Below)
-------------------------------------
Process: thunderbird [8297]
Path: /Applications/Thunderbird.app/Contents/MacOS/thunderbird
Identifier: org.mozilla.thunderbird
Version: 155.0 (15526.8.28)
Code Type: X86-64 (Native)
Parent Process: launchd [1]
User ID: 501
Date/Time: 2026-09-09 13:49:46.3562 +0200
OS Version: macOS 15.0.1 (24A348)
Report Version: 12
Anonymous UUID: A83FED70-635C-4178-5B0E-2FB36A313750
Sleep/Wake UUID: 9CEF8430-EEF8-43BB-AC16-8A9FF7407F51
Time Awake Since Boot: 25000 seconds
Time Since Wake: 7284 seconds
System Integrity Protection: enabled
Crashed Thread: 0 MainThread Dispatch queue: com.apple.main-thread
Exception Type: EXC_GUARD (SIGKILL)
Exception Codes: GUARD_TYPE_MACH_PORT
Exception Codes: 0x0000000000000203, 0x0000000000000000
Termination Reason: Namespace GUARD, Code 2305843146652647939
Thread 0 Crashed:: MainThread Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x7ff815680e0e mach_msg2_trap + 10
1 libsystem_kernel.dylib 0x7ff81568f622 mach_msg2_internal + 84
2 libsystem_kernel.dylib 0x7ff815687f16 mach_msg_overwrite + 649
3 libsystem_kernel.dylib 0x7ff8156810ff mach_msg + 19
4 XUL 0x2f9aca7f4 0x2f35dd000 + 105830388
5 XUL 0x2f9ac4183 0x2f35dd000 + 105804163
6 XUL 0x2f9ac2884 0x2f35dd000 + 105797764
7 XUL 0x2f865b45b 0x2f35dd000 + 84403291
8 XUL 0x2f8685615 0x2f35dd000 + 84575765
9 XUL 0x2f868d2af 0x2f35dd000 + 84607663
10 XUL 0x2f868d80f 0x2f35dd000 + 84609039
11 thunderbird 0x10d03ab2a 0x10d03a000 + 2858
12 dyld 0x7ff8153342cd start + 1805
Thread 1:: AsyncSignalControlThread
0 libsystem_kernel.dylib 0x7ff81568187a read + 10
1 XUL 0x2f825612a 0x2f35dd000 + 80187690
2 XUL 0x2f82560dd 0x2f35dd000 + 80187613
3 libsystem_pthread.dylib 0x7ff8156c2253 _pthread_start + 99
4 libsystem_pthread.dylib 0x7ff8156bdbef thread_start + 15
Thread 2:: RegisterFonts
0 CoreFoundation 0x7ff81573a759 CFStringGetCharacters + 98
1 CoreFoundation 0x7ff815803d71 CFURLCreateFilePathURL + 1086
2 libFontRegistry.dylib 0x7ff81e9c2201 TLocalFontRegistryImp::RegisterFont(__CFURL const*, __CFDictionary const*, unsigned int, unsigned int, __CFError**) const + 459
3 libFontRegistry.dylib 0x7ff81e9c2c32 TLocalFontRegistryImp::RegisterFonts(__CFArray const*, __CFDictionary const*, unsigned int, unsigned int, __CFArray const**, __CFArray const**, __CFArray const**) const + 182
4 libFontRegistry.dylib 0x7ff81e9de0ff XTRegisterFonts2 + 701
5 CoreText 0x7ff817d6db29 _CTFontManagerRegisterActionFontsForURLs(__CFArray const*, CTFontManagerScope, bool, Action, __CFArray const**) + 339
6 CoreText 0x7ff817d6eef7 _CTFontManagerRegisterActionFontURLs(__CFArray const*, CTFontManagerScope, bool, Action, URLTrust, __CFArray const*, bool (__CFArray const*, bool) block_pointer) + 42
7 XUL 0x2f4b40609 0x2f35dd000 + 22427145
8 XUL 0x2f4b5deba 0x2f35dd000 + 22548154
9 libnss3.dylib 0x2da8bb369 0x2da709000 + 1778537
10 libsystem_pthread.dylib 0x7ff8156c2253 _pthread_start + 99
11 libsystem_pthread.dylib 0x7ff8156bdbef thread_start + 15
Thread 3:
0 libsystem_pthread.dylib 0x7ff8156bdbcc start_wqthread + 0
Thread 4:
0 libsystem_kernel.dylib 0x7ff815680e0e mach_msg2_trap + 10
1 libsystem_kernel.dylib 0x7ff81568f622 mach_msg2_internal + 84
2 libsystem_kernel.dylib 0x7ff815687f16 mach_msg_overwrite + 649
3 libsystem_kernel.dylib 0x7ff8156810ff mach_msg + 19
4 XUL 0x2f9aca16d 0x2f35dd000 + 105828717
5 XUL 0x2f9acaeac 0x2f35dd000 + 105832108
6 XUL 0x2f9acad91 0x2f35dd000 + 105831825
7 XUL 0x2fb206fa9 0x2f35dd000 + 130195369
8 libsystem_pthread.dylib 0x7ff8156c2253 _pthread_start + 99
9 libsystem_pthread.dylib 0x7ff8156bdbef thread_start + 15
Thread 5:
0 libsystem_pthread.dylib 0x7ff8156bdbcc start_wqthread + 0
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x000000001000000a rbx: 0x00000002db928340 rcx: 0x00007ff7b2ec4af8 rdx: 0x0000003480000013
rdi: 0x00000002db928340 rsi: 0x0000000400000011 rbp: 0x00007ff7b2ec4b60 rsp: 0x00007ff7b2ec4af8
r8: 0x0000000000000000 r9: 0x0000000000000001 r10: 0x0000000000002303 r11: 0x0000000000000206
r12: 0x00000000000007d0 r13: 0x0000000400000011 r14: 0x0000000000000000 r15: 0x0000000000000001
rip: 0x00007ff815680e0e rfl: 0x0000000000000206 cr2: 0x0000000000000000
Logical CPU: 0
Error Code: 0x0100002f
Trap Number: 133
Binary Images:
0x10d03a000 - 0x10d042fff org.mozilla.thunderbird (155.0) <4c4c4439-5555-3144-a100-2f79b5ba51e1> /Applications/Thunderbird.app/Contents/MacOS/thunderbird
0x10d168000 - 0x10d1dcfff libmozglue.dylib (*) <4c4c4442-5555-3144-a1b2-7d8d2d6587df> /Applications/Thunderbird.app/Contents/MacOS/libmozglue.dylib
0x10d077000 - 0x10d083fff com.apple.CoreWiFi (1.0) <c356ba94-c112-3326-9011-74fc0bb4dfde> /System/Library/PrivateFrameworks/CoreWiFi.framework/Versions/A/CoreWiFi
0x10d444000 - 0x10d5dffff CoreWiFiOld.dylib (*) <d5ce0007-36ac-37a1-a5d7-07ad7365e60a> /System/Library/PrivateFrameworks/CoreWiFi.framework/Versions/A/CoreWiFiOld.dylib
0x10d056000 - 0x10d057fff com.apple.IO80211 (1.0) <c0791260-3db4-30e8-962c-1d7a90bbe2d5> /System/Library/PrivateFrameworks/IO80211.framework/Versions/A/IO80211
0x10d061000 - 0x10d061fff com.apple.WiFiPeerToPeer (652.55.0) <6de18c87-b584-3fba-b9f2-5439ee94f3f7> /System/Library/PrivateFrameworks/WiFiPeerToPeer.framework/Versions/A/WiFiPeerToPeer
0x17689e000 - 0x1768f1fff IO80211Old.dylib (*) <d5ce0007-f5f4-3ab8-a256-05df5202823b> /System/Library/PrivateFrameworks/IO80211.framework/Versions/A/IO80211Old.dylib
0x1e640b000 - 0x1e6432fff WiFiPeerToPeerOld.dylib (*) <d5ce0007-9684-3a09-bf78-fb3a4f8bb7b1> /System/Library/PrivateFrameworks/WiFiPeerToPeer.framework/Versions/A/WiFiPeerToPeerOld.dylib
0x2da709000 - 0x2da9d5fff libnss3.dylib (*) <4c4c449b-5555-3144-a1ce-153a9242e9fd> /Applications/Thunderbird.app/Contents/MacOS/libnss3.dylib
0x2dbc97000 - 0x2dc767fff libgkcodecs.dylib (*) <4c4c4478-5555-3144-a176-a5710479f9c6> /Applications/Thunderbird.app/Contents/MacOS/libgkcodecs.dylib
0x10d400000 - 0x10d423fff liblgpllibs.dylib (*) <4c4c44b4-5555-3144-a1b9-b5c664969bb6> /Applications/Thunderbird.app/Contents/MacOS/liblgpllibs.dylib
0x10d06b000 - 0x10d06bfff com.apple.framework.CoreWLAN (16.0) <cf40012c-37ff-356e-863f-24c150978974> /System/Library/Frameworks/CoreWLAN.framework/Versions/A/CoreWLAN
0x25d475000 - 0x25d4effff CoreWLANOld.dylib (*) <d5ce0007-0117-3ddb-beb8-5886a5f8b758> /System/Library/Frameworks/CoreWLAN.framework/Versions/A/CoreWLANOld.dylib
0x2f35dd000 - 0x2fe8e2fff XUL (*) <4c4c44ee-5555-3144-a15b-7a3b6ab61736> /Applications/Thunderbird.app/Contents/MacOS/XUL
0x10d42f000 - 0x10d430fff org.mozilla.channelprefs (1.0) <4c4c4410-5555-3144-a148-95c735c87f29> /Applications/Thunderbird.app/Contents/Frameworks/ChannelPrefs.framework/ChannelPrefs
0x7ff815680000 - 0x7ff8156bbfff libsystem_kernel.dylib (*) <10094a6c-fa57-367f-b06e-7c449ea31285> /usr/lib/system/libsystem_kernel.dylib
0x7ff81532e000 - 0x7ff8153ba32f dyld (*) <69c73748-37ae-3a6f-83af-690645c3da75> /usr/lib/dyld
0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ???
0x7ff8156bc000 - 0x7ff8156c7fff libsystem_pthread.dylib (*) <c0db9cf9-86ec-31d4-a557-2c07945fd8f2> /usr/lib/system/libsystem_pthread.dylib
0x7ff81572b000 - 0x7ff815bcaff2 com.apple.CoreFoundation (6.9) <541c6f06-0abc-39f5-a7d2-3cad5db19c04> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x7ff81e9af000 - 0x7ff81e9faff7 libFontRegistry.dylib (*) <31b7fceb-b146-3e8d-a297-87c67730f388> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib
0x7ff817c31000 - 0x7ff817e51ff5 com.apple.CoreText (841.0.0.1) <c3eb23cc-fc68-312e-bc9d-8e28a4a44da3> /System/Library/Frameworks/CoreText.framework/Versions/A/CoreText
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
VM Region Summary:
ReadOnly portion of Libraries: Total=1.3G resident=0K(0%) swapped_out_or_unallocated=1.3G(100%)
Writable regions: Total=7.6G written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=7.6G(100%)
VIRTUAL REGION
REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
Activity Tracing 256K 1
Kernel Alloc Once 8K 1
MALLOC 550.1M 21
MALLOC guard page 24K 6
STACK GUARD 56.0M 6
Stack 12.0M 6
VM_ALLOCATE 132.0M 18
VM_ALLOCATE (reserved) 7.1G 10 reserved VM address space (unallocated)
__CTF 824 1
__DATA 30.4M 877
__DATA_CONST 95.2M 881
__DATA_DIRTY 2560K 333
__FONT_DATA 2352 1
__INFO_FILTER 8 1
__LINKEDIT 186.2M 17
__OBJC_RO 76.1M 1
__OBJC_RW 2354K 2
__TEXT 1.1G 902
__TPRO_CONST 272K 2
dsce.got 124K 1
dyld private memory 512K 2
mapped file 53.2M 51
owned unmapped memory 20K 1
shared memory 1124K 9
=========== ======= =======
TOTAL 9.4G 3151
TOTAL, minus reserved VM space 2.3G 3151
-----------
Full Report
-----------
{"app_name":"thunderbird","timestamp":"2026-09-09 13:49:48.00 +0200","app_version":"155.0","sroute_id":12,"slice_uuid":"4c4c4439-5555-3144-a100-2f79b5ba51e1","build_version":"15526.8.28","platform":1,"bundleID":"org.mozilla.thunderbird","share_with_app_devs":0,"is_first_party":0,"bug_type":"309","os_version":"macOS 15.0.1 (24A348)","roots_installed":0,"name":"thunderbird","incident_id":"D8368554-B699-4AD8-A8A6-2C4175E89A69"}
{
"uptime" : 25000,
"procRole" : "Background",
"version" : 2,
"userID" : 501,
"deployVersion" : 210,
"modelCode" : "MacBookPro15,2",
"coalitionID" : 1356,
"osVersion" : {
"train" : "macOS 15.0.1",
"build" : "24A348",
"releaseType" : "User"
},
"captureTime" : "2026-09-09 13:49:46.3562 +0200",
"codeSigningMonitor" : 0,
"incident" : "D8368554-B699-4AD8-A8A6-2C4175E89A69",
"pid" : 8297,
"cpuType" : "X86-64",
"roots_installed" : 0,
"bug_type" : "309",
"procLaunch" : "2026-09-09 13:49:45.0052 +0200",
"procStartAbsTime" : 25995372141555,
"procExitAbsTime" : 25996722299153,
"procName" : "thunderbird",
"procPath" : "\/Applications\/Thunderbird.app\/Contents\/MacOS\/thunderbird",
"bundleInfo" : {"CFBundleShortVersionString":"155.0","CFBundleVersion":"15526.8.28","CFBundleIdentifier":"org.mozilla.thunderbird"},
"storeInfo" : {"deviceIdentifierForVendor":"1F778C59-C2BF-597B-B4D7-068A27420DA1","thirdParty":true},
"parentProc" : "launchd",
"parentPid" : 1,
"coalitionName" : "org.mozilla.thunderbird",
"crashReporterKey" : "A83FED70-635C-4178-5B0E-2FB36A313750",
"codeSigningID" : "org.mozilla.thunderbird",
"codeSigningTeamID" : "",
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Wot Wayne Mery změnjeny
Wšě wotmołwy (12)
Do you have a longer history of crashes?
If you mean Thunderbird, then no. I've looked through the crash report folder and there are no reports there, just an empty folder called "events" and lot of files without file type, all containing a number like "1788711973" and all named "InstallTime20260828005046" with different time stamps in the file name.
If you mean system crashes: I occasionally leave the charger unplugged for too long and then the whole system goes down.
What do you mean by a "hard reboot"?
What do you mean by "Safe Mode"? Is that Mac safe mode?
If you haven't tried starting Thunderbird in Troubleshoot Mode, please do that https://support.mozilla.org/en-US/kb/troubleshoot-mode-thunderbird#w_starting-thunderbird-in-troubleshoot-mode
I got the terms mixed up. I meant starting TB in Troubleshoot Mode, which I though was called Safe Mode.
By "Hard reboot" I mean a shutdown caused by lack of battery power, and a subsequent booting with power plugged in.
How many imap accounts? How many pop?
If you have only imap, try moving (not deleting) Inbox and Inbox.msf files from your Thunderbird profile to a safe spot. Then try starting Thunderbird.
Unfortunately I have five imap and two pop accounts, and thus cannot follow your solution.
In that case, just try it for the imap accounts.
But my money is on the pop accounts. Are any of the pop accounts set to keep messages on the server?
Another possibility is bad message on one of the servers. To test that, start thunderbird from terminal with --offline
I tried launching with "open -a thunderbird --args --offline" - same error.
I also moved all the inbox and inbox.msf files to a different folder. That also didn't work.
I also removed the folders for the pop accounts.
All lead to the same crash.
Edit: Yes, the pop accounts leave the messages on the server.
Wot quilbert změnjeny
Before we try even more deep stuff, try creating a new profile with your imap account(s). To access the profile manager open -a thunderbird --args -p
No success with that either, same error.
Dyrbiće so pola swojeho konta přizjewić, zo byšće na přinoški wotmołwił. Prošu stajće nowe prašenje, jeli hišće wužiwarske konto nimaće.