diff --git a/README.rst b/README.rst
index 7dd682c4..d733fa63 100644
--- a/README.rst
+++ b/README.rst
@@ -1,7 +1,7 @@
 GNS3-server
 ===========
 
-New GNS3 server repository (alpha stage).
+New GNS3 server repository (beta stage).
 
 The GNS3 server manages emulators such as Dynamips, VirtualBox or Qemu/KVM.
 Clients like the GNS3 GUI controls the server using a JSON-RPC API over Websockets.
diff --git a/gns3server/modules/virtualbox/__init__.py b/gns3server/modules/virtualbox/__init__.py
index 2e70d981..f086ef5a 100644
--- a/gns3server/modules/virtualbox/__init__.py
+++ b/gns3server/modules/virtualbox/__init__.py
@@ -112,7 +112,7 @@ class VirtualBox(IModule):
                 # http://www.py2exe.org/index.cgi/IncludingTypelibs
                 # http://www.py2exe.org/index.cgi/UsingEnsureDispatch
                 win32com.client.gencache.is_readonly = False
-                #win32com.client.gencache.Rebuild()
+                win32com.client.gencache.Rebuild()
                 win32com.client.gencache.GetGeneratePath()
             try:
                 from .vboxapi_py3 import VirtualBoxManager
diff --git a/setup.py b/setup.py
index 78bfa355..76f03952 100644
--- a/setup.py
+++ b/setup.py
@@ -59,7 +59,7 @@ setup(
     include_package_data=True,
     platforms="any",
     classifiers=[
-        "Development Status :: 3 - Alpha",
+        "Development Status :: 4 - Beta",
         "Environment :: Console",
         "Intended Audience :: Information Technology",
         "Topic :: System :: Networking",