VirtualBox 4.1.16 is now available for download.This is a maintenance release.
VMM: fixed a Guru Meditation VERR_ACCESS_DENIED with certain guests
VMM: fixed a Guru Meditation VERR_PAGE_TABLE_NOT_PRESENT with Ubuntu 32-bit guests with nested paging enabled on AMD CPUs
VMM: preserve segment limits and attributes when switching to unreal mode required for some legacy guests to work properly
VMM: fixed a VM hang after a resume from pause / savestate with SMP guests in rare cases
3D Support: several fixes for the Windows WDDM video driver crash
NAT: fixed a crash on attempt to process ICMP datagram under some circumstances
Host-only Networking: lifted the maximal number of interfaces to 128 on Linux and Mac OS X hosts
EFI: fixed wrong SEC/PEI Core entry point calculation
VRDP: fixed a display update problem
Main: set the proper VM state if savestate failed for some reason
Main: more useful error message if a medium is inaccessible
VBoxManage: fixed controlvm savestate if the VM is already paused
Mac OS X hosts: addressed issues running on Mountain Lion Preview 3
Linux hosts: Linux 3.4 compile fixes
Linux hosts: fixed wrong help path in some rpm-based packages
Guest Additions: fixed handling of custom environment variables during VBoxManage guestcontrol execute
Windows Additions: fixed guest driver crash of VBoxSF in certain cases
Windows Additions: don’t load the WDDM driver if 3D support is not available for Windows 8 guests to keep the guest maintainable in that case
Solaris Additions: added support for X.org Server 1.11 and 1.12