diff -r 7a611b7aae38 Lib/os.py
--- a/Lib/os.py	Fri Jan 31 12:06:14 2014 -0600
+++ b/Lib/os.py	Sun Feb 02 11:31:00 2014 +0530
@@ -577,6 +577,9 @@
 __all__.extend(["execl","execle","execlp","execlpe","execvp","execvpe"])
 
 def _execvpe(file, args, env=None):
+	#Escape all the args with double-quote if on NT
+    if name == 'nt':
+        args = [''.join(['"',a,'"']) for a in args]
     if env is not None:
         exec_func = execve
         argrest = (args, env)