Invalid Cast

[Phobian347]

MusicBee v3.5.8296.28325D  (Win10.0), 14 Nov 2022 9:39:

System.InvalidCastException: Unable to cast object of type '#=zet2SXLsOkqcKBeVgiKYhXHY=' to type '#=ziI7ri6iGhHjIc6Q7xw=='.
   at #=zlTDrFWPifENm1rFfzuACiYf1lt70.#=zcr242ME=(#=zrHxbKbKSSpgwvOQhk_k8Zbo= #=zHn_iPoQ=, #=zhPK4anwio2ThjwiOmSpQe1g= #=zDd0IL0M=)
   at #=zlTDrFWPifENm1rFfzuACiYf1lt70.#=zV8DO2heA4dge(#=zrHxbKbKSSpgwvOQhk_k8Zbo= #=zHn_iPoQ=)
   at #=z$woEFW4433hH9i501vu1Jr4$aMPk.#=zCBnIcaw=.#=z_tlHHXk=(ApplicationCommand #=zWSKt39U=, Object #=zziQJQTM=, IList`1 #=zIhRhJPE=)
   at #=zwQfxNBSxz7c$pRlZ89sy3x0=.OnClick(EventArgs #=zGGi1Lv0=)
   at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
   at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
   at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)
   at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)
   at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
   at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.ToolStrip.WndProc(Message& m)
   at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

[Steven]

I am not seeing how this error could happen with the latest patch version, so could you try with
https://getmusicbee.com/patches/MusicBee35_Patched.zip
unzip and replace the existing musicbee application files