Basecamp 473 stop working on my Windows 8.1 PC

App: BaseCamp
At: 08/12/2020 00:33:37 (UTC1)
OS: Windows 8.1 (64-bit)
Processor: x86, Processor Level: 20, Processors:2, Model: 2 Stepping: 0, RAM: 7951624
TRIPPLANNERITINERARYCONTROLLER.CPP-68-4.7.3.0

Une exception de type 'Cli.Infrastructure.Exceptions.Assert_t' a �t� lev�e.
   � bc.TripPlannerItineraryController_t.Refresh()
   � bc.TripPlannerManager_t.ReloadTripUi(ListFolderTag_t aFolder)
   � bc.MainForm_t.OnLoad(EventArgs e)
   � System.Windows.Forms.Form.OnCreateControl()
   � System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
   � System.Windows.Forms.Control.CreateControl()
   � System.Windows.Forms.Control.WmShowWindow(Message& m)
   � System.Windows.Forms.Control.WndProc(Message& m)
   � System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   � System.Windows.Forms.Form.WmShowWindow(Message& m)
   � System.Windows.Forms.Form.WndProc(Message& m)
   � bc.MainForm_t.WndProc(Message& aMessage)
   � System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   � System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   � System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)



Active Map Product:
City Navigator Europe NTU 2021.1
Version: 24.10


Installed Map Products:

Map Name: Carte globale (Garmin Product)
Map Id: 133758977
Map Version: 2.0
Map Type: Bundle
Custom Drawn Map: No
Digital Elevation Model: No

Map Name: City Navigator Europe NTU 2021.1 (Garmin Product)
Map Id: 551354369
Map Version: 24.10
Map Type: Bundle
Custom Drawn Map: Yes
Digital Elevation Model: No



.NET Versions: 
.NET FW 1.0 not installed.
.NET FW 1.1 not installed.
.NET FW 2.0 with SP2 installed
.NET FW 3.0 with SP2 installed
.NET FW 3.5 with SP1 installed

OpenGL Version 2.1

        
      
Attached File: MiniDump