Index: Lib/subprocess.py
===================================================================
--- Lib/subprocess.py	(revision 65565)
+++ Lib/subprocess.py	(working copy)
@@ -825,6 +825,13 @@
                 # translate errno using _sys_errlist (or simliar), but
                 # how can this be done from Python?
                 raise WindowsError(*e.args)
+            finally:
+                if p2cread is not None:
+                    p2cread.Close()
+                if c2pwrite is not None:
+                    c2pwrite.Close()
+                if errwrite is not None:
+                    errwrite.Close()
 
             # Retain the process handle, but close the thread handle
             self._child_created = True
@@ -838,12 +845,6 @@
             # output pipe are maintained in this process or else the
             # pipe will not close when the child process exits and the
             # ReadFile will hang.
-            if p2cread is not None:
-                p2cread.Close()
-            if c2pwrite is not None:
-                c2pwrite.Close()
-            if errwrite is not None:
-                errwrite.Close()
 
 
         def _internal_poll(self, _deadstate=None):