When I load UE4 editor version 4.12.5 on my MacBook it immediately crashes with this message:-
MachineId:838A1BD4F946B91FB6F3BABE3F7D6CDF
EpicAccountId:d56a26a64b3b46d29821d21f12fd4714
SEGV_NOOP at 0x0
SLSNewWindowWithOpaqueShape Address = 0x7fff6bb28c49 (filename not found) [in SkyLight]
-[_NSCGSWindow initWithConnectionID:] Address = 0x7fff4862a13e (filename not found) [in AppKit]
+[NSCGSWindow(NSCGSWindowCreation) windowWithConnectionID:] Address = 0x7fff4862908c (filename not found) [in AppKit]
_NSCreateWindowWithOpaqueShape2 Address = 0x7fff47d29bc3 (filename not found) [in AppKit]
-[NSWindow _commonAwake] Address = 0x7fff47d288b3 (filename not found) [in AppKit]
-[NSWindow _commonInitFrame:styleMask:backing:defer:] Address = 0x7fff47b69ea0 (filename not found) [in AppKit]
-[NSWindow _initContent:styleMask:backing:defer:contentView:] Address = 0x7fff47b686d7 (filename not found) [in AppKit]
-[NSWindow initWithContentRect:styleMask:backing:defer:] Address = 0x7fff47b6818e (filename not found) [in AppKit]
invocation function for block in FMacPlatformSplash::Show() Address = 0x10880a117 (filename not found) [in UE4Editor-Core.dylib]
invocation function for block in PerformBlockOnThread(FCocoaRunLoopSource&, void () block_pointer, NSArray*, NSString*, bool) Address = 0x1087c2250 (filename not found) [in UE4Editor-Core.dylib]
FCocoaRunLoopSource::Process(__CFString const*) Address = 0x1087d5530 (filename not found) [in UE4Editor-Core.dylib]
-[FCocoaRunLoopSourceInfo perform] Address = 0x10878e576 (filename not found) [in UE4Editor-Core.dylib]
Unknown() Address = 0x7fff4a55a6c1 (filename not found) [in CoreFoundation]
Unknown() Address = 0x7fff4a6142cc (filename not found) [in CoreFoundation]
Unknown() Address = 0x7fff4a53d160 (filename not found) [in CoreFoundation]
Unknown() Address = 0x7fff4a53c5dd (filename not found) [in CoreFoundation]
Unknown() Address = 0x7fff4a53be43 (filename not found) [in CoreFoundation]
RunCurrentEventLoopInMode Address = 0x7fff4985b866 (filename not found) [in HIToolbox]
ReceiveNextEventCommon Address = 0x7fff4985b5d6 (filename not found) [in HIToolbox]
_BlockUntilNextEventMatchingListInModeWithFilter Address = 0x7fff4985b354 (filename not found) [in HIToolbox]
_DPSNextEvent Address = 0x7fff47b589f7 (filename not found) [in AppKit]
-[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] Address = 0x7fff482edd98 (filename not found) [in AppKit]
-[NSApplication run] Address = 0x7fff47b4d805 (filename not found) [in AppKit]
tchar_main(int, wchar_t**) Address = 0x1085653ca (filename not found) [in UE4Editor]
main Address = 0x108564c3e (filename not found) [in UE4Editor]
start Address = 0x7fff71a9d145 (filename not found) [in libdyld.dylib]
Here are my Laptop Specs:-
macOS High Sierra V10.13 MacBook Pro (Retina, 13 inch, early 2015)
Processor 2.7GHz intel core i5
Memory 8GB 1867 MHz DDR3
Graphics Intel Iris 6100 1536 MB