diff --git a/Modules/timemodule.c b/Modules/timemodule.c
index bd0d063..f0edb09 100644
--- a/Modules/timemodule.c
+++ b/Modules/timemodule.c
@@ -661,7 +661,7 @@
 #endif /* HAVE_MKTIME */
 
 #ifdef HAVE_WORKING_TZSET
-void inittimezone(PyObject *module);
+static void inittimezone(PyObject *module);
 
 static PyObject *
 time_tzset(PyObject *self, PyObject *unused)
@@ -697,11 +697,12 @@
 should not be relied on.");
 #endif /* HAVE_WORKING_TZSET */
 
-void inittimezone(PyObject *m) {
+static void
+inittimezone(PyObject *m) {
     /* This code moved from inittime wholesale to allow calling it from
 	time_tzset. In the future, some parts of it can be moved back
 	(for platforms that don't HAVE_WORKING_TZSET, when we know what they
-	are), and the extranious calls to tzset(3) should be removed.
+	are), and the extraneous calls to tzset(3) should be removed.
 	I haven't done this yet, as I don't want to change this code as
 	little as possible when introducing the time.tzset and time.tzsetwall
 	methods. This should simply be a method of doing the following once,
diff --git a/PC/_winreg.c b/PC/_winreg.c
index 84e760c..9d2014a 100644
--- a/PC/_winreg.c
+++ b/PC/_winreg.c
@@ -289,6 +289,22 @@
 "2048 bytes) should be stored as files with the filenames stored in \n"
 "the configuration registry.  This helps the registry perform efficiently.");
 
+PyDoc_STRVAR(DisableReflectionKey_doc,
+"Disables registry reflection for 32bit processes running on a 64bit\n"
+"Operating System.  Will generally raise NotImplemented if executed on\n"
+"a 32bit Operating System.\n"
+"If the key is not on the reflection list, the function succeeds but has no effect.\n"
+"Disabling reflection for a key does not affect reflection of any subkeys.");
+
+PyDoc_STRVAR(EnableReflectionKey_doc,
+"Restores registry reflection for the specified disabled key.\n"
+"Will generally raise NotImplemented if executed on a 32bit Operating System.\n"
+"Restoring reflection for a key does not affect reflection of any subkeys.");
+
+PyDoc_STRVAR(QueryReflectionKey_doc,
+"bool = QueryReflectionKey(hkey) - Determines the reflection state for the specified key.\n"
+"Will generally raise NotImplemented if executed on a 32bit Operating System.\n");
+
 /* PyHKEY docstrings */
 PyDoc_STRVAR(PyHKEY_doc,
 "PyHKEY Object - A Python object, representing a win32 registry key.\n"
@@ -1393,12 +1409,122 @@
 	return Py_None;
 }
 
+static PyObject *
+PyDisableReflectionKey(PyObject *self, PyObject *args)
+{
+	HKEY hKey;
+	PyObject *obKey;
+	HMODULE hMod;
+	typedef LONG (WINAPI *RDRKFunc)(HKEY);
+	RDRKFunc pfn = NULL;
+	LONG rc;
+
+	if (!PyArg_ParseTuple(args, "O:DisableReflectionKey", &obKey))
+		return NULL;
+	if (!PyHKEY_AsHKEY(obKey, &hKey, FALSE))
+		return NULL;
+
+	// Only available on 64bit platforms, so we must load it
+	// dynamically.
+	hMod = GetModuleHandle("advapi32.dll");
+	if (hMod)
+		pfn = (RDRKFunc)GetProcAddress(hMod,
+		                               "RegDisableReflectionKey");
+	if (!pfn) {
+		PyErr_SetString(PyExc_NotImplementedError,
+		                "not implemented on this platform");
+		return NULL;
+	}
+	Py_BEGIN_ALLOW_THREADS
+	rc = (*pfn)(hKey);
+	Py_END_ALLOW_THREADS
+	if (rc != ERROR_SUCCESS)
+		return PyErr_SetFromWindowsErrWithFunction(rc,
+		                                           "RegDisableReflectionKey");
+	Py_INCREF(Py_None);
+	return Py_None;
+}
+
+static PyObject *
+PyEnableReflectionKey(PyObject *self, PyObject *args)
+{
+	HKEY hKey;
+	PyObject *obKey;
+	HMODULE hMod;
+	typedef LONG (WINAPI *RERKFunc)(HKEY);
+	RERKFunc pfn = NULL;
+	LONG rc;
+
+	if (!PyArg_ParseTuple(args, "O:EnableReflectionKey", &obKey))
+		return NULL;
+	if (!PyHKEY_AsHKEY(obKey, &hKey, FALSE))
+		return NULL;
+
+	// Only available on 64bit platforms, so we must load it
+	// dynamically.
+	hMod = GetModuleHandle("advapi32.dll");
+	if (hMod)
+		pfn = (RERKFunc)GetProcAddress(hMod,
+		                               "RegEnableReflectionKey");
+	if (!pfn) {
+		PyErr_SetString(PyExc_NotImplementedError,
+		                "not implemented on this platform");
+		return NULL;
+	}
+	Py_BEGIN_ALLOW_THREADS
+	rc = (*pfn)(hKey);
+	Py_END_ALLOW_THREADS
+	if (rc != ERROR_SUCCESS)
+		return PyErr_SetFromWindowsErrWithFunction(rc,
+		                                           "RegEnableReflectionKey");
+	Py_INCREF(Py_None);
+	return Py_None;
+}
+
+static PyObject *
+PyQueryReflectionKey(PyObject *self, PyObject *args)
+{
+	HKEY hKey;
+	PyObject *obKey;
+	HMODULE hMod;
+	typedef LONG (WINAPI *RQRKFunc)(HKEY, BOOL *);
+	RQRKFunc pfn = NULL;
+	BOOL result;
+	LONG rc;
+
+	if (!PyArg_ParseTuple(args, "O:QueryReflectionKey", &obKey))
+		return NULL;
+	if (!PyHKEY_AsHKEY(obKey, &hKey, FALSE))
+		return NULL;
+
+	// Only available on 64bit platforms, so we must load it
+	// dynamically.
+	hMod = GetModuleHandle("advapi32.dll");
+	if (hMod)
+		pfn = (RQRKFunc)GetProcAddress(hMod,
+		                               "RegQueryReflectionKey");
+	if (!pfn) {
+		PyErr_SetString(PyExc_NotImplementedError,
+		                "not implemented on this platform");
+		return NULL;
+	}
+	Py_BEGIN_ALLOW_THREADS
+	rc = (*pfn)(hKey, &result);
+	Py_END_ALLOW_THREADS
+	if (rc != ERROR_SUCCESS)
+		return PyErr_SetFromWindowsErrWithFunction(rc,
+		                                           "RegQueryReflectionKey");
+	return PyBool_FromLong(rc);
+}
+
 static struct PyMethodDef winreg_methods[] = {
 	{"CloseKey",         PyCloseKey,        METH_VARARGS, CloseKey_doc},
 	{"ConnectRegistry",  PyConnectRegistry, METH_VARARGS, ConnectRegistry_doc},
 	{"CreateKey",        PyCreateKey,       METH_VARARGS, CreateKey_doc},
 	{"DeleteKey",        PyDeleteKey,       METH_VARARGS, DeleteKey_doc},
 	{"DeleteValue",      PyDeleteValue,     METH_VARARGS, DeleteValue_doc},
+	{"DisableReflectionKey", PyDisableReflectionKey, METH_VARARGS, DisableReflectionKey_doc},
+	{"EnableReflectionKey",  PyEnableReflectionKey,  METH_VARARGS, EnableReflectionKey_doc},
 	{"EnumKey",          PyEnumKey,         METH_VARARGS, EnumKey_doc},
 	{"EnumValue",        PyEnumValue,       METH_VARARGS, EnumValue_doc},
 	{"ExpandEnvironmentStrings", PyExpandEnvironmentStrings, METH_VARARGS,
@@ -1410,6 +1536,7 @@
 	{"QueryValue",       PyQueryValue,      METH_VARARGS, QueryValue_doc},
 	{"QueryValueEx",     PyQueryValueEx,    METH_VARARGS, QueryValueEx_doc},
 	{"QueryInfoKey",     PyQueryInfoKey,    METH_VARARGS, QueryInfoKey_doc},
+	{"QueryReflectionKey",PyQueryReflectionKey,METH_VARARGS, QueryReflectionKey_doc},
 	{"SaveKey",          PySaveKey,         METH_VARARGS, SaveKey_doc},
 	{"SetValue",         PySetValue,        METH_VARARGS, SetValue_doc},
 	{"SetValueEx",       PySetValueEx,      METH_VARARGS, SetValueEx_doc},
@@ -1478,6 +1605,12 @@
 	ADD_INT(KEY_WRITE);
 	ADD_INT(KEY_EXECUTE);
 	ADD_INT(KEY_ALL_ACCESS);
+#ifdef KEY_WOW64_64KEY
+	ADD_INT(KEY_WOW64_64KEY);
+#endif
+#ifdef KEY_WOW64_32KEY
+	ADD_INT(KEY_WOW64_32KEY);
+#endif
 	ADD_INT(REG_OPTION_RESERVED);
 	ADD_INT(REG_OPTION_NON_VOLATILE);
 	ADD_INT(REG_OPTION_VOLATILE);
diff --git a/PCbuild/kill_python.vcproj b/PCbuild/kill_python.vcproj
index 9f11075..a34107a 100644
--- a/PCbuild/kill_python.vcproj
+++ b/PCbuild/kill_python.vcproj
@@ -77,8 +77,6 @@
 			/>
 			<Tool
 				Name="VCPostBuildEventTool"
-				Description="Killing existing Python processes..."
-				CommandLine="&quot;$(KillPythonExe)&quot;"
 			/>
 		</Configuration>
 		<Configuration
@@ -140,8 +138,6 @@
 			/>
 			<Tool
 				Name="VCPostBuildEventTool"
-				Description="Killing existing Python processes..."
-				CommandLine="&quot;$(KillPythonExe)&quot;"
 			/>
 		</Configuration>
 		<Configuration
@@ -202,8 +198,6 @@
 			/>
 			<Tool
 				Name="VCPostBuildEventTool"
-				Description="Killing existing Python processes..."
-				CommandLine="&quot;$(KillPythonExe)&quot;"
 			/>
 		</Configuration>
 		<Configuration
@@ -265,8 +259,6 @@
 			/>
 			<Tool
 				Name="VCPostBuildEventTool"
-				Description="Killing existing Python processes..."
-				CommandLine="&quot;$(KillPythonExe)&quot;"
 			/>
 		</Configuration>
 	</Configurations>
diff --git a/PCbuild/pythoncore.vcproj b/PCbuild/pythoncore.vcproj
index 9c9c239..1ad311d 100644
--- a/PCbuild/pythoncore.vcproj
+++ b/PCbuild/pythoncore.vcproj
@@ -58,8 +58,8 @@
 			/>
 			<Tool
 				Name="VCPreLinkEventTool"
-				Description="Generate build information and kill existing Python processes..."
-				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release&#x0D;&#x0A;&quot;$(KillPythonExe)&quot;"
+				Description="Generate build information..."
+				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release"
 			/>
 			<Tool
 				Name="VCLinkerTool"
@@ -133,8 +133,8 @@
 			/>
 			<Tool
 				Name="VCPreLinkEventTool"
-				Description="Generate build information and kill existing Python processes..."
-				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release&#x0D;&#x0A;&quot;$(KillPythonExe)&quot;"
+				Description="Generate build information..."
+				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release"
 			/>
 			<Tool
 				Name="VCLinkerTool"
@@ -211,8 +211,8 @@
 			/>
 			<Tool
 				Name="VCPreLinkEventTool"
-				Description="Generate build information and kill existing Python processes..."
-				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Debug&#x0D;&#x0A;&quot;$(KillPythonExe)&quot;"
+				Description="Generate build information..."
+				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Debug"
 			/>
 			<Tool
 				Name="VCLinkerTool"
@@ -289,8 +289,8 @@
 			/>
 			<Tool
 				Name="VCPreLinkEventTool"
-				Description="Generate build information and kill existing Python processes..."
-				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Debug&#x0D;&#x0A;&quot;$(KillPythonExe)&quot;"
+				Description="Generate build information..."
+				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Debug"
 			/>
 			<Tool
 				Name="VCLinkerTool"
@@ -363,8 +363,8 @@
 			/>
 			<Tool
 				Name="VCPreLinkEventTool"
-				Description="Generate build information and kill existing Python processes..."
-				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release&#x0D;&#x0A;&quot;$(KillPythonExe)&quot;"
+				Description="Generate build information..."
+				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release"
 			/>
 			<Tool
 				Name="VCLinkerTool"
@@ -438,8 +438,8 @@
 			/>
 			<Tool
 				Name="VCPreLinkEventTool"
-				Description="Generate build information and kill existing Python processes..."
-				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release&#x0D;&#x0A;&quot;$(KillPythonExe)&quot;"
+				Description="Generate build information..."
+				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release"
 			/>
 			<Tool
 				Name="VCLinkerTool"
@@ -513,8 +513,8 @@
 			/>
 			<Tool
 				Name="VCPreLinkEventTool"
-				Description="Generate build information and kill existing Python processes..."
-				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release&#x0D;&#x0A;&quot;$(KillPythonExe)&quot;"
+				Description="Generate build information..."
+				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release"
 			/>
 			<Tool
 				Name="VCLinkerTool"
@@ -588,8 +588,8 @@
 			/>
 			<Tool
 				Name="VCPreLinkEventTool"
-				Description="Generate build information and kill existing Python processes..."
-				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release&#x0D;&#x0A;&quot;$(KillPythonExe)&quot;"
+				Description="Generate build information..."
+				CommandLine="&quot;$(SolutionDir)make_buildinfo.exe&quot; Release"
 			/>
 			<Tool
 				Name="VCLinkerTool"
diff --git a/Tools/buildbot/build-amd64.bat b/Tools/buildbot/build-amd64.bat
index 1d828eb..5175c62 100644
--- a/Tools/buildbot/build-amd64.bat
+++ b/Tools/buildbot/build-amd64.bat
@@ -2,4 +2,5 @@
 cmd /c Tools\buildbot\external-amd64.bat
 call "%VS90COMNTOOLS%\..\..\VC\vcvarsall.bat" x86_amd64
 cmd /c Tools\buildbot\clean-amd64.bat
+vcbuild /useenv PCbuild\kill_python.vcproj "Debug|x64" && PCbuild\amd64\kill_python_d.exe
 vcbuild PCbuild\pcbuild.sln "Debug|x64"
diff --git a/Tools/buildbot/build.bat b/Tools/buildbot/build.bat
index 6bac3ed..ab3ea7d 100644
--- a/Tools/buildbot/build.bat
+++ b/Tools/buildbot/build.bat
@@ -2,5 +2,6 @@
 cmd /c Tools\buildbot\external.bat
 call "%VS90COMNTOOLS%vsvars32.bat"
 cmd /c Tools\buildbot\clean.bat
+vcbuild /useenv PCbuild\kill_python.vcproj "Debug|Win32" && PCbuild\kill_python_d.exe
 vcbuild /useenv PCbuild\pcbuild.sln "Debug|Win32"