Index: Externals/Eagle/lib/Test1.0/constraints.eagle
==================================================================
--- Externals/Eagle/lib/Test1.0/constraints.eagle
+++ Externals/Eagle/lib/Test1.0/constraints.eagle
@@ -2740,10 +2740,30 @@
             $::test_visual_studio "\")\n"]
       } else {
         tputs $channel no\n
       }
     }
+
+    proc checkForNativeDebugger { channel } {
+      tputs $channel "---- checking for native debugger... "
+
+      #
+      # NOTE: Is the native debugger present?
+      #
+      if {[catch {object invoke -flags +NonPublic \
+              Eagle._Components.Private.NativeOps+SafeNativeMethods \
+              IsDebuggerPresent} present] == 0 && $present} then {
+        #
+        # NOTE: Yes, it appears that it is present.
+        #
+        addConstraint nativeDebugger
+
+        tputs $channel yes\n
+      } else {
+        tputs $channel no\n
+      }
+    }
 
     proc checkForManagedDebugger { channel } {
       tputs $channel "---- checking for managed debugger... "
 
       #

Index: Externals/Eagle/lib/Test1.0/prologue.eagle
==================================================================
--- Externals/Eagle/lib/Test1.0/prologue.eagle
+++ Externals/Eagle/lib/Test1.0/prologue.eagle
@@ -1767,10 +1767,17 @@
       #
       # NOTE: For test "object-4.10".
       #
       checkForWix $test_channel
     }
+
+    #
+    # NOTE: Has native debugger testing support been disabled?
+    #
+    if {![info exists no(nativeDebugger)]} then {
+      checkForNativeDebugger $test_channel
+    }
 
     #
     # NOTE: Has managed debugger testing support been disabled?
     #
     if {![info exists no(managedDebugger)]} then {

Index: tools/install/Installer.cs
==================================================================
--- tools/install/Installer.cs
+++ tools/install/Installer.cs
@@ -4512,12 +4512,13 @@
                             rootKey, frameworkName, frameworkVersion,
                             platformName, perUser, wow64, whatIf, verbose))
                     {
                         TraceOps.DebugAndTrace(TracePriority.Low,
                             debugCallback, traceCallback, String.Format(
-                            ".NET Framework v{0} directory not found, " +
-                            "skipping...", frameworkVersion), traceCategory);
+                            ".NET Framework {0} directory not found, " +
+                            "skipping...", ForDisplay(frameworkVersion)),
+                            traceCategory);
 
                         continue;
                     }
 
                     if (callback == null)
@@ -4709,12 +4710,13 @@
                             rootKey, frameworkName, frameworkVersion,
                             platformName, perUser, wow64, whatIf, verbose))
                     {
                         TraceOps.DebugAndTrace(TracePriority.Low,
                             debugCallback, traceCallback, String.Format(
-                            ".NET Framework v{0} registry not found, " +
-                            "skipping...", frameworkVersion), traceCategory);
+                            ".NET Framework {0} registry not found, " +
+                            "skipping...", ForDisplay(frameworkVersion)),
+                            traceCategory);
 
                         continue;
                     }
 
                     if (callback == null)
@@ -4878,12 +4880,12 @@
                         rootKey, vsVersion, suffix, perUser, wow64, whatIf,
                         verbose))
                 {
                     TraceOps.DebugAndTrace(TracePriority.Low,
                         debugCallback, traceCallback, String.Format(
-                        "Visual Studio v{0} not found, skipping...",
-                        vsVersion), traceCategory);
+                        "Visual Studio {0} not found, skipping...",
+                        ForDisplay(vsVersion)), traceCategory);
 
                     continue;
                 }
 
                 if (callback == null)