Unable to load DLL 'olepro32.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)

this.inkPicture1.BackColor = System.Drawing.SystemColors.ControlLightLight;
          this.inkPicture1.BackgroundImageLayout = System.Windows.Forms.ImageLayout.None;
          this.inkPicture1.Cursor = System.Windows.Forms.Cursors.WaitCursor;//the error at the line bold(Unable to load DLL 'olepro32.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)
      )    this.inkPicture1.Dock = System.Windows.Forms.DockStyle.Fill;
          this.inkPicture1.Location = new System.Drawing.Point(0, 0);
          this.inkPicture1.MarginX = -2147483648;
          this.inkPicture1.MarginY = -2147483648;
          this.inkPicture1.Name = "inkPicture1";
          this.inkPicture1.Size = new System.Drawing.Size(714, 514);
          this.inkPicture1.TabIndex = 0;
          this.inkPicture1.UseWaitCursor = true;
          this.inkPicture1.WaitOnLoad = true;
          this.inkPicture1.Stroke += new Microsoft.Ink.InkCollectorStrokeEventHandler(this.inkPicture1_Stroke);