Hidechan さん、EarlgreyTea と申します。

クラッシュレポートが作成されているはずです。

Thunderbird がクラッシュする | Thunderbird ヘルプ
Mozilla クラッシュレポータ TB | Thunderbird ヘルプ

上記ヘルプ記事を参考にクラッシュレポートを送信し、クラッシュレポートID もしくは クラッシュレポートのURL を調べてご提示お願いします。

Hidechan さん、maji とゆ者です。

お困りの様ですが、
切り分けの為の処置として
Thunderbird をセーフモードで起動する事は可能でしょうか？

Thunderbird のセーフモード | Thunderbird ヘルプ
https://support.mozilla.org/ja/kb/safe-mode-thunderbird

まずは
Thunderbird のセーフモード起動が出来るかどうか
お教えください。

では。

起動時にクラッシュで不正終了といわれてしまいます。
下記の表示が出ます。どうしたよいでしょうか？

---
AdapterDeviceID: 0x3e92
AdapterDriverVersion: 24.20.100.6346
AdapterSubsysID: 3e921849
AdapterVendorID: 0x8086
Add-ons: confirm-address%40kenmaz.net:1.3.8,wetransfer%40extensions.thunderbird.net:2.1.0,default-theme%40mozilla.org:1.0,google%40search.mozilla.org:1.0,yahoo-jp%40search.mozilla.org:1.0,bing%40search.mozilla.org:1.0,amazon%40search.mozilla.org:1.1,rakuten%40search.mozilla.org:1.2,yahoo-jp-auctions%40search.mozilla.org:1.2,oshiete-goo%40search.mozilla.org:1.0,wikipedia%40search.mozilla.org:1.0,ddg%40search.mozilla.org:1.0,twitter%40search.mozilla.org:1.0
BIOS_Manufacturer: American Megatrends Inc.
BlockedDllList:
BreakpadReserveAddress: 134479872
BreakpadReserveSize: 83886080
BuildID: 20210528153351
CPUMicrocodeVersion: 0xde
CrashTime: 1623109184
FramePoisonBase: 0000004041080832
FramePoisonSize: 65536
InstallTime: 1622704839
LauncherProcessState: 0
MemoryErrorCorrection: None
ModuleSignatureInfo: {"IntelVPGSigning2018":["igc32.dll","igd10iumd32.dll"],"Microsoft Corporation":["D3DCOMPILER_47.dll","msvcp140.dll","VCRUNTIME140.dll"],"Microsoft Windows":["CoreMessaging.dll","CoreUIComponents.dll","textinputframework.dll","mscms.dll","wscapi.dll","webauthn.dll","ColorAdapterClient.dll","usp10.dll","Windows.Globalization.dll","netprofm.dll","avrt.dll","BCP47mrm.dll","DWrite.dll","d2d1.dll","Bcp47Langs.dll","WinTypes.dll","xmllite.dll","DXCore.dll","devobj.dll","d3d11.dll","dcomp.dll","npmproxy.dll","dwmapi.dll","dxgi.dll","amsi.dll","fastprox.dll","wbemsvc.dll","winsta.dll","winnsi.dll","dhcpcsvc.dll","dhcpcsvc6.DLL","wbemcomn.dll","wbemprox.dll","winmm.dll","uxtheme.dll","profapi.dll","ncrypt.dll","CRYPTBASE.DLL","wldp.dll","winrnr.dll","ntasn1.dll","windows.storage.dll","dnsapi.dll","nlaapi.dll","wshbth.dll","pnrpnsp.dll","NapiNSP.dll","kernel.appcore.dll","msasn1.dll","ntmarta.dll","dbgcore.dll","iertutil.dll","dbghelp.dll","urlmon.dll","mswsock.dll","wtsapi32.dll","wsock32.dll","userenv.dll","version.dll","IPHLPAPI.DLL","shell32.dll","imm32.dll","nsi.dll","KERNELBASE.dll","setupapi.dll","kernel32.dll","gdi32full.dll","SHCore.dll","bcryptPrimitives.dll","cfgmgr32.dll","combase.dll","sechost.dll","msvcp_win.dll","user32.dll","rpcrt4.dll","ole32.dll","psapi.dll","crypt32.dll","oleaut32.dll","clbcatq.dll","advapi32.dll","msctf.dll","bcrypt.dll","ucrtbase.dll","win32u.dll","wintrust.dll","ws2_32.dll","shlwapi.dll","gdi32.dll","msvcrt.dll","ntdll.dll"],"Mozilla Corporation":["thunderbird.exe","nssckbi.dll","freebl3.dll","softokn3.dll","nss3.dll","lgpllibs.dll","mozglue.dll","prldap60.dll","ldap60.dll"],"Trend Micro, Inc.":["tmmon.dll","TmUmEvt.dll","TmAMSIProvider.dll"]}
Notes:
FP(D00-L1000-W00001000-T000) D2D1.1? DWrite? DWrite+ D2D1.1+ WR? WR- OMTP? OMTP+4
ProductID: {3550f703-e582-4d05-9a08-453d09bdfdc6}
ProductName: Thunderbird
ReleaseChannel: release
SafeMode: 0
SecondsSinceLastCrash: 217
StartupCrash: 1
StartupTime: 1623109181
TelemetryEnvironment: {"build":{"applicationId":"{3550f703-e582-4d05-9a08-453d09bdfdc6}","applicationName":"Thunderbird","architecture":"x86","buildId":"20210528153351","version":"78.11.0","vendor":null,"displayVersion":"78.11.0","platformVersion":"78.11.0","xpcomAbi":"x86-msvc","updaterAvailable":true},"partner":{"distributionId":null,"distributionVersion":null,"partnerId":null,"distributor":null,"distributorChannel":null,"partnerNames":[]},"system":{"memoryMB":7828,"virtualMaxMB":4096,"cpu":{"extensions":["hasMMX","hasSSE","hasSSE2","hasSSE3","hasSSSE3","hasSSE4_1","hasSSE4_2","hasAVX","hasAVX2","hasAES"]},"os":{"name":"Windows_NT","version":"10.0","locale":"ja-JP","servicePackMajor":0,"servicePackMinor":0,"windowsBuildNumber":19043,"windowsUBR":985},"hdd":{"profile":{"model":null,"revision":null,"type":null},"binary":{"model":null,"revision":null,"type":null},"system":{"model":null,"revision":null,"type":null}},"gfx":{"D2DEnabled":false,"DWriteEnabled":true,"ContentBackend":"Direct2D 1.1","Headless":false,"adapters":[{"description":"Intel(R) UHD Graphics 630","vendorID":"0x8086","deviceID":"0x3e92","subsysID":"3e921849","RAM":0,"driver":"igdumdim64 igd10iumd64 igd10iumd64 igd12umd64 igdumdim32 igd10iumd32 igd10iumd32 igd12umd32","driverVendor":null,"driverVersion":"24.20.100.6346","driverDate":"9-14-2018","GPUActive":true}],"monitors":[{"screenWidth":1920,"screenHeight":1080,"refreshRate":60,"pseudoDisplay":false}],"features":{"compositor":"none","hwCompositing":{"status":"available"},"gpuProcess":{"status":"unavailable:FEATURE_FAILURE_NO_E10S"},"wrQualified":{"status":"denied"},"webrender":{"status":"unavailable-no-gpu-process"},"wrCompositor":{"status":"unavailable:FEATURE_FAILURE_BUG_1602511"},"advancedLayers":{"status":"available"},"d3d11":{"status":"available","version":45312,"warp":false,"textureSharing":true,"blacklisted":false},"d2d":{"status":"available","version":"1.1"}}},"appleModelId":null,"sec":{"antivirus":["Trend Micro Apex Oneウイルス対策"],"antispyware":null,"firewall":["Trend Micro Personal Firewall","Windows ファイアウォール"]}},"settings":{"blocklistEnabled":true,"e10sEnabled":false,"e10sMultiProcesses":8,"telemetryEnabled":false,"locale":"ja","intl":{},"update":{"channel":"release","enabled":true},"userPrefs":{"browser.cache.disk.capacity":1048576,"browser.search.region":"JP","fission.autostart":false},"sandbox":{"effectiveContentProcessLevel":1},"launcherProcessState":0,"addonCompatibilityCheckEnabled":true,"isDefaultBrowser":null},"profile":{}}
ThreadIdNameMapping: 13716:"Gecko_IOThread",5588:"Link Monitor #1",10336:"Socket Thread",1988:"Permission",5492:"Timer",13696:"BackgroundThreadPool #1",12888:"JS Watchdog",5060:"JS Helper",4052:"JS Helper",13576:"JS Helper",14212:"JS Helper",8364:"JS Helper",12776:"JS Helper",13792:"BGReadURLs",7844:"Cache2 I/O",5216:"Cookie",9368:"StreamTrans #1",4840:"StreamTrans #2",12624:"Worker Launcher",3376:"WindowsVsyncThread",9188:"Compositor",11280:"ImgDecoder #1",2484:"ImageIO",12992:"IPDL Background",
Throttleable: 1
URL:
UptimeTS: 29.66957
User32BeforeBlocklist: 1
Version: 78.11.0
useragent_locale: ja

上記の他にプログラム不正終了時の状態についての技術情報がこのレポートに含まれます。