diff -uNr anaconda-11.1.2.16__orig/iw/task_gui.py anaconda-11.1.2.16/iw/task_gui.py
--- anaconda-11.1.2.16__orig/iw/task_gui.py	2006-10-09 15:18:02.000000000 +0000
+++ anaconda-11.1.2.16/iw/task_gui.py	2007-03-10 05:11:43.000000000 +0000
@@ -33,11 +33,14 @@
             self.dispatch.skipStep("group-selection", skip = 1)
 
         tasks = self.xml.get_widget("taskList").get_model()
+        
+        # Quick hack to handle overlapping groups in tasks for an installclass
+        for (cb, task, grps) in tasks:
+            if not cb:
+                map(self.backend.deselectGroup, grps)
         for (cb, task, grps) in tasks:
             if cb:
                 map(self.backend.selectGroup, grps)
-            else:
-                map(self.backend.deselectGroup, grps)
 
         if self.anaconda.id.instClass.allowExtraRepos:
             repos = self.xml.get_widget("repoList").get_model()
diff -uNr anaconda-11.1.2.16__orig/textw/task_text.py anaconda-11.1.2.16/textw/task_text.py
--- anaconda-11.1.2.16__orig/textw/task_text.py	2006-09-05 18:57:39.000000000 +0000
+++ anaconda-11.1.2.16/textw/task_text.py	2007-03-10 05:11:10.000000000 +0000
@@ -76,12 +76,15 @@
 	    anaconda.dispatch.skipStep("group-selection")
 
         sel = ct.getSelection()
+        # quick hack to handle overlapping groups in tasks
+        for (txt, grps) in tasks:
+            if not txt in sel:
+                map(self.backend.deselectGroup, grps)
         for (txt, grps) in tasks:
             if txt in sel:
                 map(self.backend.selectGroup, grps)
-            else:
-                map(self.backend.deselectGroup, grps)
-	screen.popWindow()
+	
+        screen.popWindow()
 				 
         return INSTALL_OK