lib/vagrant/environment.rb in vagrant-0.7.7 vs lib/vagrant/environment.rb in vagrant-0.7.8

@@ -34,10 +34,10 @@
       # Verifies that VirtualBox is installed and that the version of
       # VirtualBox installed is high enough.
       def check_virtualbox!
         version = VirtualBox.version
         raise Errors::VirtualBoxNotDetected if version.nil?
-        raise Errors::VirtualBoxInvalidVersion, :version => version.to_s if version.to_f < 4.0
+        raise Errors::VirtualBoxInvalidVersion, :version => version.to_s if version.to_f < 4.0 || version.to_f >= 4.1
       rescue Errors::VirtualBoxNotDetected
         # On 64-bit Windows, show a special error. This error is a subclass
         # of VirtualBoxNotDetected, so libraries which use Vagrant can just
         # rescue VirtualBoxNotDetected.
         raise Errors::VirtualBoxNotDetected_Win64 if Util::Platform.windows? && Util::Platform.bit64?