VirtualBox is a family of powerful x86 virtualization products 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).
Presently, VirtualBox runs on Windows, Linux and Mac hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista), DOS/Windows 3.x, Linux (2.4 and 2.6), and OpenBSD.
VirtualBox is being actively developed with frequent releases and has an ever growing list of features, supported guest operating systems and platforms it runs on. VirtualBox is a community effort backed by a dedicated company: everyone is encouraged to contribute while innotek ensures the product always meets professional quality criteria.
Version 4.3.4:
- VMM: fix for a bug in the Local APIC emulation causing a BSOD when booting certain guests
- VMM: fixed loading of saved states if VT-x/AMD-V was disabled
- VMM: fixed single-stepping inside the guest for certain instructions
- VMM: fixed a performance issue involving APIC accesses after rebooting a VM
- VMM: fixed TPR patching to be enabled for 32-bit guests even when the chosen guest type is 64-bit
- VMM: fixed occasional VINF_EM_TRIPLE_FAULT errors on hosts without the unrestricted guest execution feature
- GUI: don't bother the user with the BPP warning if no Guest Additions are installed
- GUI: fixed machine-window paint artifacts on VM reboot / guest-screen resize
- GUI: make sure the assigned license and description are attached to the exported appliance
- View the complete release notes
OS X 10.6 or later
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