I got another crash which looks suspiciosly similar, but this time in the symbol editor. I tried to open Preferences dialog. The OS in the original report was Windows 7 on older desktop PC; this is newer lenovo t430 laptop with Windows 10. kicad.exe caused an Unknown [0xC000041D] Exception at location 0000000013D9F31C in module _eeschema.kiface. AddrPC Params 0000000013D9F31C 0000000000000000 000000000FC22600 FFFFFFFFFFFFFFFF _eeschema.kiface!FOOTPRINT_LIST::DisplayErrors 0000000013C67CB4 00000000007CE860 00007FF9D772192E 0000000000000000 _eeschema.kiface!SCH_IO_MGR::FindPlugin 000000006A4C2F24 000000000000000D 00000000000D4080 0000000000000000 wxbase30u_gcc_custom.dll!wxAppConsoleBase::CallEventHandler 000000006A62CD42 0000000000000000 00001F2400001F24 0000000000001F24 wxbase30u_gcc_custom.dll!wxEvtHandler::ProcessEventIfMatchesId 000000006A62CE48 0401190100001F24 000000000EA106E0 00000000000D4080 wxbase30u_gcc_custom.dll!wxEventHashTable::HandleEvent 000000006A62D254 00000000000D3B10 00000000007CE498 00005D840795727D wxbase30u_gcc_custom.dll!wxEvtHandler::TryHereOnly 0000000013D222E7 0000000000000000 0000000000000000 0000000000000000 _eeschema.kiface!FOOTPRINT_PREVIEW_PANEL_BASE::Create 000000006A62D003 0000000000000001 0000000000000000 0000000000070A8C wxbase30u_gcc_custom.dll!wxEvtHandler::DoTryChain 000000006A62D321 0000000000000000 00000000007CE860 0000000000000000 wxbase30u_gcc_custom.dll!wxEvtHandler::ProcessEvent 000000006A62D05B 0000000000000000 0000000000000000 00000000007CE860 wxbase30u_gcc_custom.dll!wxEvtHandler::SafelyProcessEvent 00000000010297D2 00000000007CE5F9 FFFFFFFFF3011A1A 00000000E0041906 wxmsw30u_core_gcc_custom.dll!wxTopLevelWindowMSW::HandleMenuSelect 000000000102E4AD 00000000007CE9B1 00007FF9DB07CD93 0000000000000001 wxmsw30u_core_gcc_custom.dll!wxTopLevelWindowMSW::MSWWindowProc 000000000108EAB2 0000000000000001 0000000000000000 0000000000000007 wxmsw30u_core_gcc_custom.dll!wxFrame::MSWWindowProc 00007FF9DB07CA66 00000000C0000388 000000000103E9C0 0000000000100AAA USER32.dll!UserCallWinProcCheckWow 00007FF9DB07C78C 0000000000000000 0000000000000000 0000000080900005 USER32.dll!DispatchClientMessage 00007FF9DB08FA83 000000001901188F 0000001F000000CF 000000320000011A USER32.dll!__fnDWORD 00007FF9DD913494 00007FF9DB079D60 0000011A00000000 0000000100000000 ntdll.dll!KiUserCallbackDispatch 00007FF9DA0E1184 0000011A00000000 0000000100000000 000000090085049E win32u.dll!NtUserMessageCall 00007FF9DB079D60 0000000000000000 00007FF9DD8134FB 0000000000100020 USER32.dll!RealDefWindowProcWorker 00007FF9DB0798D2 00000000007CEB50 0000000000100AAA 000000000FC22600 USER32.dll!RealDefWindowProcW 00007FF9D773EA12 0000000000100AAA 00007FF9D772CD23 000013CCBE872317 uxtheme.dll!DoMsgDefault [shell\themes\uxtheme\handlers.cpp @ 543] 00007FF9D773EAF2 00007FF9DB079880 0000000002FF08B0 0000000000000112 uxtheme.dll!OnDwpSysCommand [shell\themes\uxtheme\nctheme.cpp @ 7565] 00007FF9D7738626 0000000000000000 0000000000000008 0000000000000000 uxtheme.dll!_ThemeDefWindowProc [shell\themes\uxtheme\sethook.cpp @ 1065] 00007FF9D7737641 0000000002FF7CC0 0000000000000001 00000000007CED28 uxtheme.dll!ThemeDefWindowProcW [shell\themes\uxtheme\sethook.cpp @ 1108] 00007FF9DB079AD4 000000000B944290 0000000000000112 000000000000F095 USER32.dll!DefWindowProcW 000000000103C7B9 000001C000000050 00000000FFFFFFFE 0000000000000000 wxmsw30u_core_gcc_custom.dll!wxWindow::MSWDefWindowProc 0000000001036704 0000000000100AAA 0065007200650066 000013CCBE872777 wxmsw30u_core_gcc_custom.dll!wxWindow::MSWWindowProc 000000000102E462 0000000000000000 00007FF9D7742EE0 0000000000000000 wxmsw30u_core_gcc_custom.dll!wxTopLevelWindowMSW::MSWWindowProc 000000000108EAB2 0000000000100AAA 0000000000000001 0000000000100AAA wxmsw30u_core_gcc_custom.dll!wxFrame::MSWWindowProc 00007FF9DB07CA66 0000000000000388 000000000103E9C0 0000000000100AAA USER32.dll!UserCallWinProcCheckWow 00007FF9DB07C78C 0000000000000000 0000000000000000 000000000000F095 USER32.dll!DispatchClientMessage 00007FF9DB08FA83 0000000000000000 0000000000100AAA 00007FF9DB079880 USER32.dll!__fnDWORD 00007FF9DD913494 00007FF9DB079D60 0000000000000000 0000000000000001 ntdll.dll!KiUserCallbackDispatch 00007FF9DA0E1184 0000000000000000 0000000000000001 0000000000100AAA win32u.dll!NtUserMessageCall 00007FF9DB079D60 00000000000000A1 00000000007CF4D0 0000000000000005 USER32.dll!RealDefWindowProcWorker 00007FF9DB0798D2 00000000007CF460 0000000000100AAA 0000000000000000 USER32.dll!RealDefWindowProcW 00007FF9D773EA12 00000000007CF460 00000000007CF4D0 0000000000100AAA uxtheme.dll!DoMsgDefault [shell\themes\uxtheme\handlers.cpp @ 543] 00007FF9D773EBB4 00007FF9DB079880 0000000000000000 00000000000000A1 uxtheme.dll!OnDwpNcLButtonDown [shell\themes\uxtheme\nctheme.cpp @ 7157] 00007FF9D7738626 0000000000000000 00007FF9DD913494 000000000000000C uxtheme.dll!_ThemeDefWindowProc [shell\themes\uxtheme\sethook.cpp @ 1065] 00007FF9D7737641 00007FF9DA0E1464 0000000000000001 0000000000000000 uxtheme.dll!ThemeDefWindowProcW [shell\themes\uxtheme\sethook.cpp @ 1108] 00007FF9DB079AD4 000000000B944290 00000000000000A1 0000000000000005 USER32.dll!DefWindowProcW 000000000103C7B9 0000000000000000 000075F6EB64A20D 00007FF98A76FC40 wxmsw30u_core_gcc_custom.dll!wxWindow::MSWDefWindowProc 0000000001036704 000000006A663EC0 00007FF9DB0F1D88 0000000000000388 wxmsw30u_core_gcc_custom.dll!wxWindow::MSWWindowProc 000000000102E462 00000000007CF858 0000000000000058 0000000000000000 wxmsw30u_core_gcc_custom.dll!wxTopLevelWindowMSW::MSWWindowProc 000000000108EAB2 0000000000000001 0000000000000000 00000000000000A1 wxmsw30u_core_gcc_custom.dll!wxFrame::MSWWindowProc 00007FF9DB07CA66 0000000001AB7700 000000000103E9C0 0000000000100AAA USER32.dll!UserCallWinProcCheckWow 00007FF9DB07C582 00000000007CFA80 0000000000000000 0000000001658780 USER32.dll!DispatchMessageWorker 0000000001085E8B 0000000001658780 000000006A6EC120 00007FF9DB08D240 wxmsw30u_core_gcc_custom.dll!wxGUIEventLoop::Dispatch 000000006A4FC6D0 0000000000000030 00000000015FCC30 00000000007CFC60 wxbase30u_gcc_custom.dll!wxEventLoopManual::DoRun 000000006A4FC339 00000000007CFCC0 01000000007CFCB0 00000000007CFBF0 wxbase30u_gcc_custom.dll!wxEventLoopBase::Run 000000006A4C68FA 0000000000000046 0000000000000010 0000000000000005 wxbase30u_gcc_custom.dll!wxAppConsoleBase::MainLoop 000000000050F2C6 0000000000000001 0000000000000001 00007FF9DB08D240 kicad.exe!0x10f2c6 000000006A547977 00000000007CFDE0 0000000000400000 00000000015FC8E0 wxbase30u_gcc_custom.dll!wxEntryReal 0000000000F5A24B 0000000000000000 0000000000000025 0000000000589230 wxmsw30u_core_gcc_custom.dll!wxEntry 00000000004013A5 0000000000000000 0000000000000000 0000000000000000 kicad.exe!0x13a5 00000000004014DB 0000000000000000 0000000000000000 0000000000000000 kicad.exe!0x14db 00007FF9DAB77974 0000000000000000 0000000000000000 0000000000000000 KERNEL32.DLL!BaseThreadInitThunk 00007FF9DD8DA271 0000000000000000 0000000000000000 0000000000000000 ntdll.dll!RtlUserThreadStart Application: KiCad Version: (5.1.0-657-g323ecada8), release build Libraries: wxWidgets 3.0.4 libcurl/7.61.1 OpenSSL/1.1.1 (WinSSL) zlib/1.2.11 brotli/1.0.6 libidn2/2.0.5 libpsl/0.20.2 (+libidn2/2.0.5) nghttp2/1.34.0 Platform: Windows 8 (build 9200), 64-bit edition, 64 bit, Little endian, wxMSW Build Info: wxWidgets: 3.0.4 (wchar_t,wx containers,compatible with 2.8) Boost: 1.68.0 OpenCASCADE Community Edition: 6.9.1 Curl: 7.61.1 Compiler: GCC 8.2.0 with C++ ABI 1013 Build settings: USE_WX_GRAPHICS_CONTEXT=OFF USE_WX_OVERLAY=OFF KICAD_SCRIPTING=ON KICAD_SCRIPTING_MODULES=ON KICAD_SCRIPTING_PYTHON3=OFF KICAD_SCRIPTING_WXPYTHON=ON KICAD_SCRIPTING_WXPYTHON_PHOENIX=OFF KICAD_SCRIPTING_ACTION_MENU=ON BUILD_GITHUB_PLUGIN=ON KICAD_USE_OCE=ON KICAD_USE_OCC=OFF KICAD_SPICE=ON