Download VirtualBox 4.1.18 Build 78361

VirtualBox 4.1.18 Build 78361 is now available for download. This update is a maintenance release which contains a number of bug fixes and several stability improvements over the previous release. The full details about what changes are in this build are available in the "What's new in VirtualBox 4.1.18 Build 78361" section.

Overview
VirtualBox or Oracle VM VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL).

As of version 4.0, VirtualBox introduces the Extension Pack mechanism which allows Oracle and 3rd parties to deliver additional functionality on top of the standard Open Source product.

Presently, VirtualBox runs on Windows, Linux, Macintosh and OpenSolaris hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista, Windows 7), DOS/Windows 3.x, Linux (2.4 and 2.6), Solaris and OpenSolaris, and OpenBSD.

Download VirtualBox 4.1.18 Build 78361
The links in this section correspond to files available for VirtualBox 4.1.18 Build 78361. Download the files appropriate for you.

What's new in VirtualBox 4.1.18 Build 78361 (June 20, 2012)
This version is a maintenance release. The following items were fixed and/or added:
  • VMM: fixed VERR_REM_VIRTUAL_CPU_ERROR under rare conditions after the guest has been reset. (bug #5164 and others)
  • VMM: fixed host freezes with 64-bit guests on 32-bit Linux hosts. (bug #10528)
  • VRDP: added a workaround for rdesktop clients not properly updating the screen size when minimized.
  • AHCI: fixed a rare bug which can cause a guest memory corruption after the guest storage controler has been reset.
  • NAT: another attempt to fix crashes under rare conditions. (Windows hosts only; bug #10513)
  • Mac OS X hosts: addressed issues running Leopard / Snow Leopard. (bug #10631)
  • Linux hosts / Bridged Networking: fixed the problem with device driver unloading on kernels 3.2.18 and newer due to an invalid reference counter. (bug #10624)
  • Linux hosts / guests: Linux 3.5-rc1 fixes.
  • Linux Additions: the guest content was sometimes not properly updated. (bug #9887)
  • Solaris Additions: installer fix for X.org Server 1.11 and 1.12.

Source: Changelog for VirtualBox 4.1
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