Metasequoia 4 Ver4.4.1 (64bit) is running. Build time: Feb 24 2015 19:52:27 Windows version : 6.1 (Windows 7 x64) Number of CPU : 4 Physical memory : 8107 MB Direct3D11 Driver: Intel(R) HD Graphics 3000 DeviceID: 278 SubsysID: 2423984205 Revision: 9 FeatureLevel: 10.1 Exception code: c0000005 (EXCEPTION_ACCESS_VIOLATION) Access violation at address 0000000077A632F2. Write of address 0000000041FFD318. Module: C:\Windows\SYSTEM32\ntdll.dll 0x0000000077A632F2 ntdll.dll: RtlFreeHeap + 306 bytes 0x0000000077911A4A kernel32.dll: HeapFree + 10 bytes 0x000000006F3D8D94 MSVCR100.dll: free + 28 bytes 0x000000013FD49A9D Metaseq.exe: MObject::clearAllFaces + 189 bytes 0x000000013FD452EF Metaseq.exe: MObject::~MObject + 159 bytes 0x000000013FD28B31 Metaseq.exe: MDocument::clearObject + 305 bytes 0x000000013FD2CF44 Metaseq.exe: MDocument::restoreFromUndoAllObject + 1540 bytes 0x000000013FDD85C4 Metaseq.exe: MUndoManager::Undo + 36 bytes 0x000000013FD2DD2A Metaseq.exe: MDocument::Undo + 42 bytes 0x000000013FCE7900 Metaseq.exe: TFormMain::MenuUndoClick + 80 bytes 0x000000013FE756E3 Metaseq.exe: MTEventClosure >::invoke + 51 bytes 0x000007FEE862E5CA MTKit.dll: MTObject::invokeCallback + 106 bytes 0x000007FEE86605A1 MTKit.dll: MTWindow::executeMenuShortcut + 1265 bytes 0x000007FEE865FE8E MTKit.dll: MTWindow::onKeyDown + 270 bytes 0x000007FEE85C6391 MTKit.dll: MTApplication::wndProc + 3249 bytes 0x000007FEE85C56D2 MTKit.dll: MTApplication::globalWndProc + 34 bytes 0x0000000077809BD1 USER32.dll: TranslateMessageEx + 673 bytes 0x00000000778098DA USER32.dll: TranslateMessage + 490 bytes 0x000007FEE85C7C19 MTKit.dll: MTApplication::enterEventLoop + 329 bytes 0x000007FEE85C7ABF MTKit.dll: MTApplication::execute + 15 bytes 0x000000013FD37A05 Metaseq.exe: wWinMain + 1093 bytes 0x000000013FF34C86 Metaseq.exe: operator delete[] + 468 bytes 0x00000000779059ED kernel32.dll: BaseThreadInitThunk + 13 bytes 0x0000000077A3C541 ntdll.dll: RtlUserThreadStart + 33 bytes