winform图片背景的问题。

悬赏园豆：20 [待解决问题]

winform 通过控件属性导入图片（PNG格式），如按钮背景图片、窗体背景、Label控件的背景图片等。，能正常发布、运行。
但是过一段时间后（约3~5小时之间）会报以下错误，然后界面的图片就消失了，程序也一直报错，重新启动程序后又能正常使用一段时间，具体错误如下：

[2020-05-26 13:44:30.161] TextLogger.Error 1
异常文本
【出现时间】：2020/5/26 13:44:30
【异常方法】：get_Flags
【异常窗口】：System.Drawing.dll
【异常类型】：ArgumentException
【异常信息】：Parameter is not valid.
【堆栈调用】： at System.Drawing.Image.get_Flags()
at System.Windows.Forms.ControlPaint.IsImageTransparent(Image backgroundImage)
at System.Windows.Forms.Control.set_BackgroundImageLayout(ImageLayout value)
at IccOilDS.Fmain.InitializeComponent() in E:\IccOilDS\Fmain.Designer.cs:line 268
at IccOilDS.Fmain..ctor() in E:\IccOilDS\Fmain.cs:line 31
at IccOilDS.Frmckdd.btnPrintCKD_Click(Object sender, EventArgs e) in E:\IccOilDS\Frmckdd.cs:line 927
at System.Windows.Forms.Control.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.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)
【系统版本】：1.0.7450.20051
【总窗体数】：4
【总线程数】：1

[2020-05-26 13:44:35.749] TextLogger.Error 1
异常文本
【出现时间】：2020/5/26 13:44:35
【异常方法】：CheckErrorStatus
【异常窗口】：System.Drawing.dll
【异常类型】：OutOfMemoryException
【异常信息】：Out of memory.
【堆栈调用】： at System.Drawing.Graphics.CheckErrorStatus(Int32 status)
at System.Drawing.Graphics.DrawImage(Image image, Int32 x, Int32 y, Int32 width, Int32 height)
at System.Drawing.Graphics.DrawImage(Image image, Rectangle rect)
at System.Windows.Forms.PictureBox.OnPaint(PaintEventArgs pe)
at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer)
at System.Windows.Forms.Control.WmPaint(Message& m)
at System.Windows.Forms.Control.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)
【系统版本】：1.0.7450.20051
【总窗体数】：4
【总线程数】：1