Download VirtualBox 4.1.20

Download VirtualBox 4.1.20. VirtualBox is a virtual machine applications as well as VMWare which allows you to install the Operating System (OS) other, and run together at the top of its parent operating system. VirtualBox is an open source application made ​​by Sun Microsystems (now acquired by Oracle) is targeted for servers, desktop and embedded use. VirtualBox can run on the system (host): Windows, Apple, Linux and Solaris running on Intel or AMD based computer.

VirtualBox 4.1.20 Released!

In version 3.0.xxx and above have been equipped with the "Teleport" first in the virtualization industry. Addition of the "Teleport" can improve the performance of SMP and large workload capabilities. Thus, the function of "Teleport" here is to help the virtual machines achieve high availability. Once the hardware must be removed, then the virtual workload can be in the "Teleport" to another host with ease.

VirtualBox 4.1.20 it can increase the execution speed of the memory is optimized, so as to boost the performance improvement of 30% than the previous version.

What's New in VirtualBox 4.1.20

• VMM: fixed a crash under rare circumstances for VMs running without hardware virtualization
• VMM: fixed a code analysis bug for certain displacement instructions for VMs running without hardware virtualization
• VMM: fixed an interpretion bug for TPR read instructions under rare conditions (AMD-V only)
• Snapshots: fixed a crash when restoring an old snapshot when powering off a VM
• VBoxSVC: be more tolerant against environment variables with strange encodings
• VGA: fixed wrong access check which might cause a crash under certain conditions
• NAT: final fix for crashes under rare conditions
• Virtio-net: fixed the problem with receiving of GSO packets in Windows XP guests causing packet loss in host-to-VM transfers
• HPET: several fixes
• Clipboard: disable the clipboard by default for new VMs
• BIOS: the PCI BIOS was not properly detected with the chipset type set to ICH9
• Mac OS X hosts: adaptions to Mountain Lion
• Linux Installer: fixes for Gentoo Linux
• Linux guests: fixed mouse integration on Fedora 17 guests
• Linux Additions: compile fixes for RHEL/CentOS 6.3
• Linux Additions: compile fixes for Linux 3.5-rc1 and Linux 3.6-rc1
• Solaris host: fixed a guru meditation while allocating large pages
• Solaris host: fixed possible kernel panics while freeing memory
• Solaris Installer: fixed missing icon for menu and desktop shortcuts

** Before VirtualBox installed, first install the JRE (Java Runtime Environment).

Download :
VirtualBox 4.1.20 (Windows hosts - x86/amd64) | 90.77 MB
VirtualBox 4.1.20 (OS X hosts - x86/amd64) | 96.63 MB
VirtualBox 4.1.20 (Linux hosts)