diff --git a/PROMS/VEPROMS.CSLA.Library/Extension/DocumentExt.cs b/PROMS/VEPROMS.CSLA.Library/Extension/DocumentExt.cs
index d1a9d5d8..e45b68cd 100644
--- a/PROMS/VEPROMS.CSLA.Library/Extension/DocumentExt.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Extension/DocumentExt.cs
@@ -493,7 +493,7 @@ namespace VEPROMS.CSLA.Library
 				{
 					try
 					{
-						if (myProcess.PriorityClass != ProcessPriorityClass.High && myProcess.MainWindowTitle == "")
+						if (!myProcess.HasExited && myProcess.PriorityClass != ProcessPriorityClass.High && myProcess.MainWindowTitle == "")
 							myProcess.PriorityClass = ProcessPriorityClass.High;
 					}
 					catch (Exception ex)