I don't think that I can help with this error (the log entries don't mean anything to me), but your "Error.1" log file shows an error with the DWHD skin:After a reinstallation of MP1 1.39 x86, I have the problem that a disc is always requested after the start.
[2026-10-17 19:53:45,037] [Error ] [MPMain ] [ERROR] - GUIWindow:OnWindowLoaded 'C:\ProgramData\Team MediaPortal\MediaPortal\Skin\DefaultWideHD\videoOverlay.xml' control id:0 ex:Das Objekt mit dem Typ "MediaPortal.GUI.Library.GUIGroup" kann nicht in den Typ "MediaPortal.GUI.Library.GUIImage" konvertiert werden. bei System.RuntimeType.TryChangeType(Object value, Binder binder, CultureInfo culture, Boolean needsSpecialCast)
bei System.RuntimeType.CheckValue(Object value, Binder binder, CultureInfo culture, BindingFlags invokeAttr)
bei System.Reflection.RtFieldInfo.InternalSetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture, StackCrawlMark& stackMark)
bei System.Reflection.RtFieldInfo.SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
bei MediaPortal.GUI.Library.GUIWindow.OnWindowLoaded() MediaPortal.GUI.Video.GUIVideoOverlay