Index: DamClients/DamUI/trunk/src/Dam/Application/Program.cs
===================================================================
diff -u -r6924 -r6938
--- DamClients/DamUI/trunk/src/Dam/Application/Program.cs	(.../Program.cs)	(revision 6924)
+++ DamClients/DamUI/trunk/src/Dam/Application/Program.cs	(.../Program.cs)	(revision 6938)
@@ -112,8 +112,7 @@
             }
             else if (!VersionComparer.IsVersionGreaterOrEqual(versionCommonFiles, requiredVersionCommonFiles))
             {
-                errorMessages.Add(String.Format("Common files version is outdated: {0}. Required version is {1} or higher.",
-                                                versionCommonFiles, requiredVersionCommonFiles));
+                errorMessages.Add($"Common files version is outdated: {versionCommonFiles}. Required version is {requiredVersionCommonFiles} or higher.");
             }
 
             // Check version of DS_Flex
@@ -124,21 +123,19 @@
             }
             else if (!VersionComparer.IsVersionGreaterOrEqual(versionDsFlex, requiredVersionDsFlex))
             {
-                errorMessages.Add(String.Format("DS_Flex version is outdated: {0}. Required version is {1} or higher.",
-                                                versionDsFlex, requiredVersionDsFlex));
+                errorMessages.Add($"DS_Flex version is outdated: {versionDsFlex}. Required version is {requiredVersionDsFlex} or higher.");
             }
 
             if (errorMessages.Count > 0)
             {
                 var errorMessage = new StringBuilder();
-                errorMessage.AppendLine("The application cannot be started because it is not properly installed. Please reinstall the application.");
+                errorMessage.AppendLine($"The application cannot be started because it is not properly installed. Please install Common Files {requiredVersionCommonFiles} or higher.");
                 foreach (string msg in errorMessages)
                 {
                     errorMessage.AppendLine(msg);
                 }
 
-                MessageBox.Show(errorMessage.ToString(),
-                                "Error",
+                MessageBox.Show(errorMessage.ToString(), "Error",
                                 MessageBoxButtons.OK, MessageBoxIcon.Error);
                 Environment.Exit(0);
             }