Open-source Virtual Machine Software virtualbox v1.5.2

You may be familiar with virtual machine software such as VMware and Virtual PC. Virtualbox is a virtual system software developed by innotek, a German software company. It not only has rich features, but also has excellent performance. It is even more open-source and has become a free software released under the GPL license. Virtualbox can run on Linux and Windows hosts, and supports installing windows (NT 4.0, 2000, XP, Server 2003, Vista), DOS/Windows 3.x, Linux (2.4 and 2.6) and OpenBSD. If you have used virtual machine software before, I believe you can use virtualbox. It doesn't matter if you are a newbie. Virtualbox provides detailed documents to help you get started in a short time.
It was updated to Version 1.5.2 on March 13, October 18. This is only a bug revision, which mainly solves problems in the graphic user interface, bios, VGA, vmm, network, and VRDP. In addition, virtualbox 1.5.2 also includes some improvements, such as improved keyboard processing on Linux Hosts, NLS, compatibility with Linux KVM, and MAC address processing, in the VM close dialog box, the ACPI Shutdown option is added to support other RDP clients, Linux additional programs support x.org server 1.4, and so on.

Official Website:
Http://www.virtualbox.org
The following is a complete update record from virtualbox 1.5.2 For your reference:

-Windows Installer: fixed installation on Windows 2000 hosts
-Windows Installer: proper warning when installing a 32-bit virtualbox version on 64-bit windows and vice versa
-Linux Installer: no longer require license acceptance during install, instead at first GUI startup (addresses issues with hanging installer On Debian based distributions)
-Gui: added user registration Dialog
-Gui: Fixed crashes on 64-bit Linux Hosts
-Gui: Several fixes and improvements to seamless Mode
-Gui: Fixed DirectDraw mode with certain video cards (e.g. Intel i915)
-Gui: Fixed incorrect guest resolution after leaving fullscreen Mode
-Gui: improved keyboard handling on Linux host
-Gui: Show fatal VM aborts (aka "guru meditation ")
-Gui: Fixed crashes due to a display Update Race Condition on some systems
-Gui: added ACPI Shutdown option to the VM close Dialog
-Gui: NLS improvements
-Bios: Fixed floppy boot menu
-Bios: expose the vm uuid In The DMI/smbios Area
-VGA: Fixed CGA video modes
-VGA: fixed 8-bit DAC handling (Solaris setup)
-Vmm: Fixed issue with VT-X on Windows 64-bit hosts
-Vmm: improved compatibility with Linux KVM
-Vmm: Fixed issues with fedora 8 Guests
-Vmm: Fixed fatal errors while installing AMD-V for Windows guests when using
-Vmm: Fixed sporadic hangs when minimizing VM window and using VT-x/AMD-V
-Vmm: fixed high load of ksoftirq on tickless Linux Hosts
-Vmm: fixed windows 2000 guests hangs related to IRQ sharing
-Vmm: Fixed sporadic errors during opensuse 10.3 Installation
-Vmm: Fixed issue with Linux 2.6.23 guests
-Vmm: Fixed issues with Solaris guests
-Vmm: Fixed stability issue related to incorrect relocations
-Serial: significantly reduced CPU utilization
-Network: Fixed issues with FreeBSD guests
-Network: added MII support (100 Mbit detection fix)
-Network: Improved MAC address handling
-Network: added PXE release Logging
-Ide: Large reads from CD cocould exceed the I/O buffer size
-Audio: Load ALSA dynamically on Linux (I. e. Do not fail when ALSA is not present)
-VRDP: support additional RDP clients (Sunray, winconnect, Mac OS X)
-VRDP: Fixed issues when client color depth is higher than server color depth
-VRDP: Make PAM Authentication Service name retriable
-VRDP: Increased stack size to deal with Stack consuming PAM library CILS
-Additions: Various fixes and enhancements to clipboard handling
-Windows additions: Fixed issues with additions on NT 4 Guests
-Windows additions: added support for 8-bit video modes
-Windows additions: Allow specifying custom resolutions for secondary screens
-Windows additions: Several fixes and improvements for DirectDraw
-Windows additions: improved the mouse filter driver compatibility with other mouse drivers
-Linux additions: Several fixes and enhancements to shared folders
-Linux additions: added support for x.org server 1.4
-Shared Folders: Fixed MS PowerPoint access issues (Linux host)
-API: Fixed rpc_e_changed_mode startup error on Windows hosts <
-API: Fixed SMP Race Condition on Linux Hosts
-API: Fixed stability issues on Windows hosts in low memory Conditions

-Download virtualbox 1.5.2