In OpenToonz 1.8: I tried going past Frame 36 to do more frames in my scene and it crashed.

OpenToonz 1.8  (Build Mar 16 2026)

Report Date: 2026-09-16 11:35:57
Crash Reason: EXCEPTION_ACCESS_VIOLATION

Build ABI: x86_64-little_endian-llp64
Operating System: Windows 10 Version 2009
OS Kernel: 10.0.26200
CPU Threads: 8

GPU Vendor: Intel
GPU Model: Intel(R) Iris(R) Xe Graphics
GPU Version: 4.6.0 - Build 32.0.101.6737

Crash File: C:\Users\studi\AppData\Local\OpenToonz\OpenToonz\crash\Crash-20260916-113557.log
Mini Dump File: C:\Users\studi\AppData\Local\OpenToonz\OpenToonz\crash\Crash-20260916-113557.dmp

Application Dir: C:/Program Files/OpenToonz
Stuff Dir: C:\OpenToonz stuff

Project Name: sandbox
Scene Name: tutorial
Project Path: C:\OpenToonz stuff\sandbox\sandbox_otprj.xml
Scene Path: C:\OpenToonz stuff\sandbox\scenes\tutorial.tnz

==== Modules ====
C:\Program Files\OpenToonz\OpenToonz.exe
C:\WINDOWS\SYSTEM32\ntdll.dll
C:\WINDOWS\System32\KERNEL32.DLL
C:\WINDOWS\System32\KERNELBASE.dll
C:\WINDOWS\SYSTEM32\apphelp.dll
C:\WINDOWS\System32\ADVAPI32.dll
C:\WINDOWS\System32\msvcrt.dll
C:\WINDOWS\SYSTEM32\OPENGL32.dll
C:\WINDOWS\System32\sechost.dll
C:\WINDOWS\System32\USER32.dll
C:\WINDOWS\System32\RPCRT4.dll
C:\WINDOWS\System32\win32u.dll
C:\WINDOWS\System32\GDI32.dll
C:\WINDOWS\System32\SHELL32.dll
C:\WINDOWS\System32\gdi32full.dll
C:\WINDOWS\System32\msvcp_win.dll
C:\WINDOWS\System32\\\ucrtbase.dll
C:\WINDOWS\System32\ole32.dll
C:\WINDOWS\System32\combase.dll
C:\WINDOWS\System32\OLEAUT32.dll
C:\Program Files\OpenToonz\Qt5SerialPort.dll
C:\Program Files\OpenToonz\Qt5Xml.dll
C:\Program Files\OpenToonz\Qt5PrintSupport.dll
C:\WINDOWS\System32\SETUPAPI.dll
C:\WINDOWS\System32\COMDLG32.dll
C:\WINDOWS\System32\shcore.dll
C:\WINDOWS\System32\SHLWAPI.dll
C:\Program Files\OpenToonz\glut64.dll
C:\Program Files\OpenToonz\colorfx.dll
C:\Program Files\OpenToonz\image.dll
C:\Program Files\OpenToonz\tnztools.dll
C:\Program Files\OpenToonz\tfarm.dll
C:\WINDOWS\System32\WS2_32.dll
C:\Program Files\OpenToonz\EDSDK.dll
C:\Program Files\OpenToonz\tnzstdfx.dll
C:\Program Files\OpenToonz\toonzqt.dll
C:\Program Files\OpenToonz\sound.dll
C:\Program Files\OpenToonz\Qt5Core.dll
C:\Program Files\OpenToonz\Qt5Widgets.dll
C:\Program Files\OpenToonz\Qt5Script.dll
C:\Program Files\OpenToonz\toonzlib.dll
C:\Program Files\OpenToonz\tnzext.dll
C:\Program Files\OpenToonz\opencv_world451.dll
C:\Program Files\OpenToonz\tnzbase.dll
C:\Program Files\OpenToonz\Qt5OpenGL.dll
C:\Program Files\OpenToonz\Qt5Multimedia.dll
C:\WINDOWS\SYSTEM32\MPR.dll
C:\WINDOWS\SYSTEM32\GLU32.dll
C:\WINDOWS\SYSTEM32\dbghelp.dll
C:\Program Files\OpenToonz\tnzcore.dll
C:\Program Files\OpenToonz\MSVCP140.dll
C:\WINDOWS\SYSTEM32\MFPlat.DLL
C:\WINDOWS\SYSTEM32\MF.dll
C:\Program Files\OpenToonz\VCRUNTIME140.dll
C:\Program Files\OpenToonz\VCRUNTIME140_1.dll
C:\Program Files\OpenToonz\MSVCP140_1.dll
C:\Program Files\OpenToonz\Qt5Network.dll
C:\WINDOWS\System32\CRYPT32.dll
C:\WINDOWS\SYSTEM32\WINSPOOL.DRV
C:\WINDOWS\WinSxS\amd64_microsoft.windows.common-controls_6595b64144ccf1df_5.82.26100.8328_none_87eede957a2ccddd\COMCTL32.dll
C:\WINDOWS\SYSTEM32\WINMM.dll
C:\WINDOWS\SYSTEM32\MSVFW32.dll
C:\WINDOWS\SYSTEM32\AVIFIL32.dll
C:\Program Files\OpenToonz\Qt5Gui.dll
C:\WINDOWS\SYSTEM32\VERSION.dll
C:\Program Files\OpenToonz\libmypaint-1-4-0.dll
C:\WINDOWS\SYSTEM32\USERENV.dll
C:\WINDOWS\SYSTEM32\NETAPI32.dll
C:\WINDOWS\SYSTEM32\dwmapi.dll
C:\WINDOWS\SYSTEM32\UxTheme.dll
C:\Program Files\OpenToonz\CONCRT140.dll
C:\WINDOWS\SYSTEM32\DNSAPI.dll
C:\WINDOWS\SYSTEM32\IPHLPAPI.DLL
C:\WINDOWS\SYSTEM32\cfgmgr32.dll
C:\WINDOWS\SYSTEM32\MSACM32.dll
C:\WINDOWS\SYSTEM32\d3d11.dll
C:\WINDOWS\SYSTEM32\dxgi.dll
C:\Program Files\OpenToonz\Qt5Svg.dll
C:\Program Files\OpenToonz\glew32.dll
C:\WINDOWS\SYSTEM32\dxcore.dll
C:\WINDOWS\SYSTEM32\DSPARSE.dll
C:\WINDOWS\SYSTEM32\powrprof.dll
C:\WINDOWS\SYSTEM32\NETUTILS.DLL
C:\WINDOWS\SYSTEM32\SRVCLI.DLL
C:\WINDOWS\SYSTEM32\CRYPTBASE.DLL
C:\Program Files\OpenToonz\libjson-c-2.dll
C:\Program Files\OpenToonz\libintl-8.dll
C:\Program Files\OpenToonz\libiconv-2.dll
C:\WINDOWS\SYSTEM32\dbgcore.DLL
C:\WINDOWS\SYSTEM32\MFCORE.DLL
C:\WINDOWS\System32\IMM32.DLL
C:\WINDOWS\SYSTEM32\UMPDC.dll
C:\WINDOWS\System32\NSI.dll
C:\WINDOWS\System32\bcryptPrimitives.dll
C:\WINDOWS\SYSTEM32\RTWorkQ.DLL
C:\Program Files\OpenToonz\platforms\qwindows.dll
C:\WINDOWS\SYSTEM32\WTSAPI32.dll
C:\WINDOWS\SYSTEM32\SspiCli.dll
C:\WINDOWS\SYSTEM32\kernel.appcore.dll
C:\WINDOWS\SYSTEM32\windows.storage.dll
C:\WINDOWS\SYSTEM32\profapi.dll
C:\Program Files\OpenToonz\styles\qwindowsvistastyle.dll
C:\Program Files\OpenToonz\iconengines\qsvgicon.dll
C:\WINDOWS\system32\d3d9.dll
C:\WINDOWS\SYSTEM32\directxdatabasehelper.dll
C:\WINDOWS\System32\MSCTF.dll
C:\WINDOWS\System32\clbcatq.dll
C:\WINDOWS\system32\ApplicationTargetedFeatureDatabase.dll
C:\WINDOWS\SYSTEM32\textinputframework.dll
C:\Windows\System32\twinapi.appcore.dll
C:\Windows\System32\WinTypes.dll
C:\WINDOWS\system32\Oleacc.dll
C:\WINDOWS\system32\UIAutomationCore.dll
C:\WINDOWS\SYSTEM32\sxs.dll
C:\WINDOWS\SYSTEM32\windows.staterepositorycore.dll
C:\WINDOWS\System32\DriverStore\FileRepository\iigd_dch.inf_amd64_9711ec5d8e932518\igxelpicd64.dll
C:\WINDOWS\SYSTEM32\d3d12.dll
C:\WINDOWS\System32\DriverStore\FileRepository\iigd_dch.inf_amd64_9711ec5d8e932518\igdml64.dll
C:\WINDOWS\System32\DriverStore\FileRepository\iigd_dch.inf_amd64_9711ec5d8e932518\igdgmm64.dll
C:\WINDOWS\System32\DriverStore\FileRepository\iigd_dch.inf_amd64_9711ec5d8e932518\igc64.dll
C:\WINDOWS\system32\dataexchange.dll
C:\WINDOWS\system32\dwrite.dll
C:\WINDOWS\SYSTEM32\CoreMessaging.dll
C:\WINDOWS\SYSTEM32\CoreUIComponents.dll
C:\WINDOWS\SYSTEM32\WINMMBASE.dll
C:\Program Files\OpenToonz\imageformats\qgif.dll
C:\Program Files\OpenToonz\imageformats\qicns.dll
C:\Program Files\OpenToonz\imageformats\qico.dll
C:\Program Files\OpenToonz\imageformats\qjpeg.dll
C:\Program Files\OpenToonz\imageformats\qsvg.dll
C:\Program Files\OpenToonz\imageformats\qtga.dll
C:\Program Files\OpenToonz\imageformats\qtiff.dll
C:\Program Files\OpenToonz\imageformats\qwbmp.dll
C:\Program Files\OpenToonz\imageformats\qwebp.dll
C:\Program Files\OpenToonz\bearer\qgenericbearer.dll
C:\WINDOWS\SYSTEM32\dhcpcsvc6.DLL
C:\WINDOWS\SYSTEM32\dhcpcsvc.DLL
C:\WINDOWS\System32\netprofm.dll
C:\WINDOWS\System32\npmproxy.dll
C:\Program Files\OpenToonz\audio\qtaudio_windows.dll
C:\WINDOWS\SYSTEM32\MMDevAPI.DLL
C:\WINDOWS\SYSTEM32\wdmaud.drv
C:\WINDOWS\SYSTEM32\wdmaud2.drv
C:\WINDOWS\SYSTEM32\AVRT.dll
C:\WINDOWS\SYSTEM32\DEVOBJ.dll
C:\WINDOWS\SYSTEM32\AUDIOSES.DLL
C:\WINDOWS\SYSTEM32\msacm32.drv
C:\WINDOWS\SYSTEM32\midimap.dll
C:\WINDOWS\SYSTEM32\resourcepolicyclient.dll
C:\WINDOWS\system32\winhttp.dll
C:\WINDOWS\system32\napinsp.dll
C:\WINDOWS\System32\mswsock.dll
C:\WINDOWS\System32\winrnr.dll
C:\WINDOWS\system32\nlansp_c.dll
C:\WINDOWS\system32\wshbth.dll
C:\Windows\System32\rasadhlp.dll
C:\WINDOWS\System32\fwpuclnt.dll
C:\WINDOWS\system32\Ninput.dll
C:\WINDOWS\WinSxS\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.26100.9278_none_3e0d1ba8e3303201\comctl32.DLL
C:\WINDOWS\SYSTEM32\ntmarta.dll
==== End ====

==== Backtrace ====
  1> RtlWow64GetCurrentMachine [0x7ffcb1bcc196] <ntdll.dll>
  2> RtlWow64GetCurrentMachine [0x7ffcb1bcb935] <ntdll.dll>
  3> KiUserExceptionDispatcher [0x7ffcb1c64e3e] <ntdll.dll>
  4> TSmartHolderT<TXshSoundColumn>::set [0x7ff6319482dc] <OpenToonz.exe>
  5> TSmartHolderT<TXshSoundColumn>::set [0x7ff63192e866] <OpenToonz.exe>
  6> QWidget::event [0x7ffc17ec807c] <Qt5Widgets.dll>
  7> TSmartHolderT<TXshSoundColumn>::set [0x7ff63192bbfb] <OpenToonz.exe>
  8> QApplicationPrivate::notify_helper [0x7ffc17ea55c0] <Qt5Widgets.dll>
  9> QApplication::notify [0x7ffc17ea34e0] <Qt5Widgets.dll>
 10> QCoreApplication::notifyInternal2 [0x7ffc238c318a] <Qt5Core.dll>
 11> QApplicationPrivate::sendMouseEvent [0x7ffc17ea67c5] <Qt5Widgets.dll>
 12> QDesktopWidget::workAreaResized [0x7ffc17ef09d2] <Qt5Widgets.dll>
 13> QDesktopWidget::workAreaResized [0x7ffc17eee96e] <Qt5Widgets.dll>
 14> QApplicationPrivate::notify_helper [0x7ffc17ea55c0] <Qt5Widgets.dll>
 15> QApplication::notify [0x7ffc17ea4643] <Qt5Widgets.dll>
 16> QCoreApplication::notifyInternal2 [0x7ffc238c318a] <Qt5Core.dll>
 17> QGuiApplicationPrivate::processMouseEvent [0x7ffc137047c3] <Qt5Gui.dll>
 18> QWindowSystemInterface::sendWindowSystemEvents [0x7ffc136ef030] <Qt5Gui.dll>
 19> QEventDispatcherWin32::processEvents [0x7ffc2390bcfa] <Qt5Core.dll>
 20> qt_plugin_query_metadata [0x7ffc135b28d9] <qwindows.dll>
 21> QEventLoop::exec [0x7ffc238bf64c] <Qt5Core.dll>
 22> QCoreApplication::exec [0x7ffc238c2164] <Qt5Core.dll>
 23> TSmartHolderT<TXshSoundColumn>::set [0x7ff63187818f] <OpenToonz.exe>
 24> TSmartHolderT<TXshSoundColumn>::set [0x7ff631d00107] <OpenToonz.exe>
 25> TSmartHolderT<TXshSoundColumn>::set [0x7ff631cff6ea] <OpenToonz.exe>
 26> BaseThreadInitThunk [0x7ffcafdfcd87] <KERNEL32.DLL>
 27> RtlUserThreadStart [0x7ffcb1bacaec] <ntdll.dll>
==== End ====