Error on update kuriimu2 tool

[dangvh5]

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Bug details:
I try to update kuriimu2 tool, by include developer build in the setting tab, but it giving me unhandled exception, as written in the log file:
2024-03-22 22:15:38.837 +07:00 [FTL] An unhandled exception occurred.
System.InvalidOperationException: Cannot set Visibility or call Show, ShowDialog, or WindowInteropHelper.EnsureHandle after a Window has closed.
at System.Windows.Window.VerifyCanShow()
at System.Windows.Window.Show()
at Eto.Wpf.Forms.FormHandler.Show()
at Eto.Forms.Form.Show()
at Eto.Forms.Application.<>c__DisplayClass53_0.b__0(Object sender, EventArgs e)
at Eto.PropertyStore.TriggerEvent[T](Object key, Object sender, T args)
at Eto.Forms.Application.OnInitialized(EventArgs e)
at Eto.Forms.Application.Callback.OnInitialized(Application widget, EventArgs e)
at Eto.Wpf.Forms.ApplicationHandler.Run()
at Eto.Forms.Application.Run(Form mainForm)
at Kuriimu2.EtoForms.Wpf.MainClass.Main(String[] args)
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