VirtualBox 4.0.0 Beta 3 has been released!

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VirtualBox v4.0.0 Beta 3 is released. This beta release fixed some important bugs like additions mounting, fixed also some issues with 3D support , Linux Additions: fixed xorg.conf patching for older Linux and more.

VirtualBox v4.0.0 Beta 3 Changelog:

This is the third beta of the upcoming 4.0 release. The following items were added/fixed since VirtualBox 4.0.0 Beta 2:
Solaris hosts: another fix for installing ExtPacks on Solaris
Solaris hosts: properly register mime types
GUI: fixed a crash if maximizing a guest window is not allowed
GUI: remember recent mounted mediums
GUI: fixed additions mounting
GUI: added hint how to get out of the scale mode
GUI: fixed black fullscreen minitoolbar on KDE4 hosts (bug #5449)
GUI: allow to update / downgrade / reinstall ExtPacks
3D support: fixed incorrect rendering for some d3d8/9 apps
3D support: fixed OpenGL support for 32bit apps on 64bit Windows XP SP2
3D support: fixed installation on Linux without DKMS
3D support: fixed OpenGL support for libMesa 7.9
VGA: fixed crash when booting VMs with older additions
OVA: allow individual files greater 8GB
Storage: performance optimization by not using our own block cache for read-only mediums
BIOS: implemented multi-sector reading, speeds up booting of certain guests (e.g. Solaris)
VMM: fixed FreeBSD 8.1 boot hang for unrestricted guest execution with VT-x
VMM: fixed performance regression for 32-bit SMP guests (VT-x + nested paging)
VMM: fixed performance regression (VT-x with preemption timer only)
VMM: improved fix for blocking NMIs triggered by active performance counters (Linux hosts in non-VT-x/AMD-V mode only; bug #7819)
User Manual: Windows help file (.chm) is searchable again
Windows Additions: fixed Windows 2000 guests (4.0.0 Beta 1 regression)
Solaris Additions: fixed guest X11 drivers
Solaris Additions: fixed unexpected termination of VBoxService
Linux Additions: fixed xorg.conf patching for older Linux (3.2.12 regression)

Installation :

1- First remove the actual installed virtualbox:

For debian based systems:

sudo apt-get remove virtualbox*

2- Download and install the .deb packages for Ubuntu/LinuxMint/ Debian and other debian based OS.

3-  ” VirtualBox4.0 introduces the Extension Pack mechanism which allows Oracle and 3rd parties to deliver additional functionality on top of the standard Open Source product. The Oracle VM VirtualBox Extension Pack, adds support for USB 2.0, RDP server and the PXE bootloader with E1000 support. “

To install the extension pack, once virrualBox is installed close all virtualbox open windows and then install the extension package.You can download the extension package from the same location as other packages (Oracle_VM_VirtualBox_Extension_Pack-4.0.0_BETA3-68940.vbox-extp+)

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