开源免费虚拟机 VirtualBox 4.1.22 发布，VirtualBox是一个强大的x86/AMD64/Intel64虚拟化产品，为企业和家庭免费提供使用。VirtualBox不仅具有极为丰富的功能，而且是一款高性能的产品，该软件作为开源软件是免费提供，基于GNU通用公共许可证（GPL）。
VirtualBox4.1.22 更新改变：
VMM: fixed a potential host crash triggered by shutting down a VM when another VM was running (only affected 32-bit hosts and 64-bit OS X hosts, 4.1 regression, bug #9897)
VMM: fixed a potential host crash under a high guest memory pressure (seen with Windows 8 guests)
VMM: respect RAM preallocation while restoring saved state.
VMM: fixed handling of task gates if VT-x/AMD-V is disabled
Storage: fixed audio CD passthrough for certain media players
USB: don’t crash if a USB device is plugged or unplugged when saving or loading the VM state (SMP guests only)
RTC: fixed a potential corruption of CMOS bank 1
Mac OS X hosts: installer fixes for Leopard (4.1.20 regression)
Windows Additions: fixed memory leak in VBoxTray (bug #10808)
主页：https://www.virtualbox.org/
下载：https://www.virtualbox.org/wiki/Downloads
来自:开源中国社区
