Every app crashes if "Help" menu is opened

This might sound strange and but I'd really like to get this resolved.

I first though this was the fault of a macos application that I developed. But later I noticed that it is practically applies to every application on the macbook I've got.

If I press "Help" in the menu-bar, in any app on my mac. That app crashes.

In some apps, it crashes directly, in some, it show a corrupt list first, then crashes. This is how it looks in Safari for example (1 second after pressing "Help"):

Here's the stacktrace for Safari:

0   libobjc.A.dylib               	       0x181319c20 objc_msgSend + 32
1   Shortcut                      	       0x1bd7aca5c -[SCTSearchManager hasNoResults] + 56
2   Shortcut                      	       0x1bd7aea78 -[SCTSearchManager selectRowAfterTargetingItem:withMenu:] + 36
3   Shortcut                      	       0x1bd7abdc4 SCTHelpMenuHandler + 508
4   HIToolbox                     	       0x18afbb3a4 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1092
5   HIToolbox                     	       0x18afba828 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 356
6   HIToolbox                     	       0x18afba6b8 SendEventToEventTargetWithOptions + 44
7   HIToolbox                     	       0x18b188878 SendItemEvent(MenuSelectData*, unsigned int, MenuData*, unsigned short) + 308
8   HIToolbox                     	       0x18b050f10 UpdateMenuViewFocus(MenuSelectData*, MenuData*, short, short) + 568
9   HIToolbox                     	       0x18b04be28 ViewFocusHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) + 520
10  HIToolbox                     	       0x18afbb3a4 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1092
11  HIToolbox                     	       0x18afba828 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 356
12  HIToolbox                     	       0x18afba6b8 SendEventToEventTargetWithOptions + 44
13  HIToolbox                     	       0x18b02f528 HIView::SendSetFocusPart(short, unsigned char, unsigned char, short*) + 248
14  HIToolbox                     	       0x18b02f394 HIView::SetFocusPartInternal(short, unsigned char, unsigned char, short*, short, unsigned char, unsigned char) + 116
15  HIToolbox                     	       0x18b02f14c HIView::SetFocusPart(short, unsigned char, unsigned char, unsigned int, FocusData*) + 240
16  HIToolbox                     	       0x18b02ef90 HIViewSetFocus + 168
17  HIToolbox                     	       0x18b05049c ChooseItem(MenuSelectData*, Rect const*) + 220
18  HIToolbox                     	       0x18b1876e4 TrackMenuCommon(MenuSelectData&, unsigned char*, SelectionData*, MenuResult*, MenuResult*) + 800
19  HIToolbox                     	       0x18b052c0c MenuSelectCore(MenuData*, Point, double, unsigned int, OpaqueMenuRef**, unsigned short*) + 348
20  HIToolbox                     	       0x18b052a00 _HandleMenuSelection2 + 416
21  AppKit                        	       0x184b09918 _NSHandleCarbonMenuEvent + 256
22  AppKit                        	       0x184b0973c _DPSEventHandledByCarbon + 60
23  AppKit                        	       0x1849b7104 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 2232
24  Safari                        	       0x1ac42a218 -[BrowserApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 228
25  AppKit                        	       0x1849aaf7c -[NSApplication run] + 464
26  AppKit                        	       0x1849823cc NSApplicationMain + 880
27  Safari                        	       0x1ac791e24 SafariMain + 408
28  dyld                          	       0x18135bf28 start + 2236