diff --git a/PROMS/Volian.Controls.Library/EditItem.cs b/PROMS/Volian.Controls.Library/EditItem.cs
index 1b2c616c..921988fb 100644
--- a/PROMS/Volian.Controls.Library/EditItem.cs
+++ b/PROMS/Volian.Controls.Library/EditItem.cs
@@ -1796,6 +1796,18 @@ namespace Volian.Controls.Library
 		}
 		//static bool _ShowChanges=false;
 		int _LastTop = 0;
+
+		// Bug Fix:  B2017-059 only turn on the spellchecking if the RTB is visible.  This controls the number of windows handles created durning spellchecking
+		private void TurnOnSpellCheckIfVisible()
+		{
+			if (MyStepRTB != null)
+			{
+				if (this.Top + this.Height > 0 && this.Top < MyStepPanel.Height)
+					MyStepRTB.SpellCheckStatus = true;
+				else
+					MyStepRTB.SpellCheckStatus = false;
+			}
+		}
 		/// <summary>
 		/// Handles movement of the EditItems
 		/// </summary>
@@ -1803,6 +1815,7 @@ namespace Volian.Controls.Library
 		/// <param name="e"></param>
 		private void EditItem_Move(object sender, EventArgs e)
 		{
+			TurnOnSpellCheckIfVisible();
 			int newTop = Top - MyStepPanel.TopMostEditItem.Top;
 			//if(_ShowChanges && _LastTop != newTop && MyItemInfo.InList(134786))
 					//Volian.Base.Library.vlnStackTrace.ShowStackLocal(2,10,"\"EditItem_Move\"\t\"\"\t\"{0}\"\t{1}\t{2}\t{3}",MyItemInfo.ShortPath, MyID, Top, _LastTop);
diff --git a/PROMS/Volian.Controls.Library/StepRTB.cs b/PROMS/Volian.Controls.Library/StepRTB.cs
index a80af32b..fa7ec067 100644
--- a/PROMS/Volian.Controls.Library/StepRTB.cs
+++ b/PROMS/Volian.Controls.Library/StepRTB.cs
@@ -805,11 +805,30 @@ namespace Volian.Controls.Library
 				Console.WriteLine("StepRTB_ContextMenuStripChanged {0} - {1} [{2}]", ex.GetType().Name, ex.Message, sublocation);
 			}
 		}
+
+		// Bug fix  B2017-059, toggle the spellchecking status on only when being used - to control how many window handles are created by the spellchecker
+		//          This fixed the issue of the spell checker closing PROMS - Callaway SAMG Background TSG-1, also reproduced on long procedure in calvert EOPs
+
+		private bool _SpellCheckStatus = false;
+
+		public bool SpellCheckStatus
+		{
+			get { return _SpellCheckStatus; }
+			set 
+			{
+				if (_SpellCheckStatus != value)
+				{
+					_SpellCheckStatus = value;
+					if (DoSpellCheck)
+						C1SpellChecker2.SetActiveSpellChecking(this, value);
+				}
+			}
+		}
+
 		private void SetUpStepRTB()
 		{
 			DetectUrls = false;
-			if (DoSpellCheck)
-				C1SpellChecker2.SetActiveSpellChecking(this, true);
+			SpellCheckStatus = false;
 			this.Height = 10; // initialize the height to 10, the default height was too big for the cells in grid tables
 			BorderStyle = System.Windows.Forms.BorderStyle.None;
 			this.ScrollBars = RichTextBoxScrollBars.None;
@@ -3494,8 +3513,8 @@ namespace Volian.Controls.Library
 		public bool SpellCheckNext()
 		{
 			int nBad = C1SpellChecker2.CheckControl(this, false, MySpellCheckDlg);
-			if (MyItemInfo.ActiveFormat.PlantFormat.FormatData.EditData.EditoralSpellCheck)
-				DidEditorialSpellCheck =  MySpellCheckDlg.DidCorrectSpelling;  // B2015-024 spell checker in editoral mode
+				if (MyItemInfo.ActiveFormat.PlantFormat.FormatData.EditData.EditoralSpellCheck)
+					DidEditorialSpellCheck = MySpellCheckDlg.DidCorrectSpelling;  // B2015-024 spell checker in editoral mode
 			return (nBad >= 0); // nBad = -1 means user pressed Cancel button
 		}
 		
diff --git a/PROMS/Volian.Controls.Library/VlnSpellCheckDlg.cs b/PROMS/Volian.Controls.Library/VlnSpellCheckDlg.cs
index 0945a9bb..b02f9476 100644
--- a/PROMS/Volian.Controls.Library/VlnSpellCheckDlg.cs
+++ b/PROMS/Volian.Controls.Library/VlnSpellCheckDlg.cs
@@ -105,10 +105,22 @@ namespace Volian.Controls.Library
 		{
 			// fire load event
 			base.OnLoad(e);
-
+			//AddHandle();
 			// show first error (after firing load event)
 			ErrorIndex = 0;
 		}
+		// added for debugging - comment out when not using
+		//public void AddHandle()
+		//{
+		//	if (!Handles.Contains(this.Handle))
+		//	{
+		//		GC.Collect();
+		//		Handles.Add(this.Handle);
+		//		Console.WriteLine("Handles {0}, RTB Count Created {1}, RTB Count Not Disposed = {2} ", Handles.Count,StepRTB.CountCreated,StepRTB.CountNotDisposed);
+				
+		//	}
+		//}
+		//private static List<IntPtr> Handles = new List<IntPtr>();
 
 		private bool _Initializing = false;
 		private string _OrgWord;
@@ -257,6 +269,7 @@ namespace Volian.Controls.Library
 
 		private void btnIgnoreAll_Click(object sender, EventArgs e)
 		{
+			//Console.WriteLine("handle: {0}", this.Handle);
 			_Spell.IgnoreList.Add(CurrentError.Text);
 			_Errors = _Spell.CheckText(_Editor.Text, CurrentError.Start);
 			UpdateCurrentError();