System.InvalidCastException: 无法将类型为“Microsoft.Office.Interop.Excel.ApplicationClass”的 COM 对象强制转换为接口类

System.InvalidCastException: 无法将类型为“Microsoft.Office.Interop.Excel.ApplicationClass”的 COM 对象强制转换为接口类型“Microsoft.Office.Interop.Excel._Application”。此操作失败的原因是对 IID 为“{000208D5-0000-0000-C000-000000000046}”的接口的 COM 组件调用 QueryInterface 因以下错误而失败: 加载类型库/DLL 时出错。 (异常来自 HRESULT:0x80029C4A (TYPE_E_CANTLOADLIBRARY))。
   在 System.StubHelpers.StubHelpers.GetCOMIPFromRCW(Object objSrc, IntPtr pCPCMD, IntPtr& ppTarget, Boolean& pfNeedsRelease)
   在 Microsoft.Office.Interop.Excel.ApplicationClass.get_Workbooks()
   在 CCIMS.Form_CheckPersonnelDetails.ToolStripMenuItemImportExcel_Click(Object sender, EventArgs e)
   在 System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)
   在 System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
   在 System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
   在 System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
   在 System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)
   在 System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)
   在 System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
   在 System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   在 System.Windows.Forms.Control.WndProc(Message& m)
   在 System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   在 System.Windows.Forms.ToolStrip.WndProc(Message& m)
   在 System.Windows.Forms.MenuStrip.WndProc(Message& m)
   在 System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   在 System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   在 System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)