diff --git a/Packages/GeoWin/changes.txt b/Packages/GeoWin/changes.txt
index 61e03145970..cd226b707f4 100644
--- a/Packages/GeoWin/changes.txt
+++ b/Packages/GeoWin/changes.txt
@@ -1,3 +1,7 @@
+1.4.5 (02 April 2002)
+- Nef_2 and Min_sphere_3 demos changed
+  (because there were changes in these packages breaking code)
+
 1.4.4 (25 March 2002)
 - Nef_2 demo changed and help added
 
diff --git a/Packages/GeoWin/demo/GeoWin/CGAL_min_sphere_3.C b/Packages/GeoWin/demo/GeoWin/CGAL_min_sphere_3.C
index 118e7e946b9..c0f693316d7 100644
--- a/Packages/GeoWin/demo/GeoWin/CGAL_min_sphere_3.C
+++ b/Packages/GeoWin/demo/GeoWin/CGAL_min_sphere_3.C
@@ -51,6 +51,7 @@ int main(int argc, char *argv[])
 #else 
 
 #include<CGAL/Cartesian.h>
+#include<CGAL/Cartesian_d.h>
 #include <CGAL/geowin_support.h>
 #include<iostream>
 #include<cstdlib>
@@ -81,11 +82,12 @@ typedef double                                NT;
 typedef double                                NT2;
 #endif
 
-typedef CGAL::Cartesian<NT>                    K;
-typedef CGAL::Optimisation_d_traits_d<K>       Traits;
-typedef CGAL::Min_sphere_d<Traits>             Min_sphere;
-typedef K::Point_3                             Point;
-typedef K::Point_d                             Pointd;
+typedef CGAL::Cartesian<NT>                   K;
+typedef CGAL::Cartesian_d<NT>                 Kd;
+typedef CGAL::Optimisation_d_traits_d<Kd>     Traits;
+typedef CGAL::Min_sphere_d<Traits>            Min_sphere;
+typedef K::Point_3                            Point;
+typedef Kd::Point_d                           Pointd;
 
 // dimension
 const int dim = 3; 
diff --git a/Packages/GeoWin/demo/GeoWin/CGAL_nef_2.C b/Packages/GeoWin/demo/GeoWin/CGAL_nef_2.C
index e091edf9ca6..828ea6050c6 100644
--- a/Packages/GeoWin/demo/GeoWin/CGAL_nef_2.C
+++ b/Packages/GeoWin/demo/GeoWin/CGAL_nef_2.C
@@ -68,7 +68,7 @@ int main(int argc, char *argv[])
 #include <CGAL/IO/Nef_polyhedron_2_Window_stream.h>
 #include <CGAL/geowin_support.h>
 
-
+/*
 template <>
 struct ring_or_field<leda_integer> {
   typedef ring_with_gcd kind;
@@ -76,6 +76,7 @@ struct ring_or_field<leda_integer> {
   static RT gcd(const RT& r1, const RT& r2) 
   { return LEDA_NAMESPACE_NAME::gcd(r1,r2); }
 };
+*/
 
 typedef CGAL::Extended_homogeneous<leda_integer>              EK;
 typedef CGAL::Nef_polyhedron_2<EK>                            Nef;
diff --git a/Packages/GeoWin/version b/Packages/GeoWin/version
index 152511fbbb8..5179dba9253 100644
--- a/Packages/GeoWin/version
+++ b/Packages/GeoWin/version
@@ -1 +1 @@
-1.4.4 (25 Mar 2002)
+1.4.5 (02 April 2002)