diff --git a/launch/org.eclipse.cdt.launch/ChangeLog b/launch/org.eclipse.cdt.launch/ChangeLog
index 1dfc721d276..51c0829ff03 100644
--- a/launch/org.eclipse.cdt.launch/ChangeLog
+++ b/launch/org.eclipse.cdt.launch/ChangeLog
@@ -1,3 +1,8 @@
+2004-11-11 Alain Magloire
+	Fix for PR 78441
+	* src/org/eclipse/cdt/launch/internal/CPropertyTester.java
+	* plugin.xml
+
 2004-11-1  David Inglis
 	Use status handlers to prompt for launch input (process id and core file).
 
diff --git a/launch/org.eclipse.cdt.launch/plugin.xml b/launch/org.eclipse.cdt.launch/plugin.xml
index 55ea4336c87..50a1a4eb0ea 100644
--- a/launch/org.eclipse.cdt.launch/plugin.xml
+++ b/launch/org.eclipse.cdt.launch/plugin.xml
@@ -126,7 +126,7 @@
       <propertyTester
       		namespace="org.eclipse.cdt.launch"
             properties="isExecutable"
-            type="org.eclipse.core.resources.IResource"
+            type="org.eclipse.core.runtime.IAdaptable"
             class="org.eclipse.cdt.launch.internal.CPropertyTester"
             id="org.eclipse.cdt.launch.CPropertyTester">
       </propertyTester>
@@ -146,4 +146,19 @@
             id="org.eclipse.cdt.launch.statusHandler.coreFilePrompter">
       </statusHandler>  
 	</extension>
+	
+	<!-- Adapters for contextual launch -->
+	<extension point="org.eclipse.core.runtime.adapters">
+         <factory 
+            class="" 
+            adaptableType="org.eclipse.cdt.core.model.IBinary">
+            <adapter type="org.eclipse.debug.ui.actions.ILaunchable"/>
+         </factory>
+         <factory 
+            class="" 
+            adaptableType="org.eclipse.core.resources.IResource">
+            <adapter type="org.eclipse.debug.ui.actions.ILaunchable"/>
+         </factory>         
+    </extension>
+	
 </plugin>
diff --git a/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/internal/CPropertyTester.java b/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/internal/CPropertyTester.java
index 827424b4b72..e1711266f4c 100644
--- a/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/internal/CPropertyTester.java
+++ b/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/internal/CPropertyTester.java
@@ -15,6 +15,8 @@ import org.eclipse.cdt.core.model.IBinary;
 import org.eclipse.cdt.core.model.ICElement;
 import org.eclipse.core.expressions.PropertyTester;
 import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.IAdaptable;
 
 /**
  * A property tester that determines if a file is an executable.
@@ -36,10 +38,11 @@ public class CPropertyTester extends PropertyTester {
 	 * @return true if the target resource has a <code>main</code> method,
 	 * <code>false</code> otherwise.
 	 */
-	private boolean isExecutable(Object target) {
+	private boolean isExecutable(Object receiver) {
 		ICElement celement = null;
-		if (target instanceof IFile) {
-			celement = CoreModel.getDefault().create((IFile) target);
+		IFile file = (IFile) ((IAdaptable)receiver).getAdapter(IResource.class);
+		if (file != null) {
+			celement = CoreModel.getDefault().create(file);
 		}
 		return (celement != null && celement instanceof IBinary);
 	}