Let's try a stable version of EMF - 2.4.1
diff --git a/org.eclipse.e4.builder/builder/general/build.properties b/org.eclipse.e4.builder/builder/general/build.properties
index c25f62c..a8835d7 100644
--- a/org.eclipse.e4.builder/builder/general/build.properties
+++ b/org.eclipse.e4.builder/builder/general/build.properties
@@ -189,9 +189,9 @@
eclipseBaseURL=${eclipseURL}/eclipse-SDK-${eclipseBuildId}-win32.zip
eclipseTestURL=${eclipseURL}/eclipse-Automated-Tests-${eclipseBuildId}.zip
-emfBuildId=I200811181800
-emfURL=http://download.eclipse.org/modeling/emf/emf/downloads/drops/2.5.0/${emfBuildId}
-emfBaseURL=${emfURL}/emf-runtime-${emfBuildId}.zip
+emfBuildId=R200808251517
+emfURL=http://download.eclipse.org/modeling/emf/emf/downloads/drops/2.4.1/${emfBuildId}
+emfBaseURL=${emfURL}/emf-runtime-2.4.1.zip
############# MAP FILE CONTROL ################
# This section defines CVS tags to use when fetching the map files from the repository.
