VirtualBox is a general-purpose full virtualizer for x86 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.

Changelog:

• Windows Installer: fixed a potential hang during installation
• Windows Installer: fixed several problems (bug #3892)
• Solaris hosts: make it work with Solaris build 114 or later (bug #3981)
• Solaris hosts: fixed a bug serial port character handling found during loopback (bug #3120)
• Linux hosts: adapted vboxdrv.sh to the latest changes in VBoxManage list runningvms (bug #4034)
• Windows hosts: fixed a crash caused by host-only/bridged networking
• Mac OS X hosts: fixed access to host DVD with passthrough disabled (bug #4077)
• Guest Additions: fixed problems with KDE 4 not recognizing mouse clicks
• Windows Additions: fixed incorrect 8-bit guest color depth in Windows 7 guests
• GUI: warn if VT-x/AMD-V could not be enabled for guests that require this setting (bug #4055)
• VMM: fixed occassional crash due to insuffient memory
• VMM: fixed hanging 64 bits Solaris guests
• VMM: restore from a saved state occassionally failed (bugs #3984 and #2742)
• Clipboard: fixed a deadlock while shutting down the shared clipboard on X11 hosts (bug #4020)
• OVF: fixed potential hang during import
• OVF: fixed potential crashes during import/export on Win64 hosts
• VBoxManage modifyhd --compact: fixed bug which could lead to crashes and image corruption (bug #3864)
• VBoxManage metrics collect: now flushes the output stream.
• VHD: made VBoxManage internalcommands sethduuid work for .vhd files (bug #3443)
• VHD: some .vhd files could not be cloned (bug #4080)
• VMDK: fixed creating snapshots
• NAT: improvement of TCP connection establisment (bug #2987)
• NAT: fixed order of DNS servers in DHCP lease (bug #4091)
• NAT: fixed DHCP lease for multiple name servers (bug #3692)
• NAT: fixed a potential segfault if the host lost its connectivity (bug #3964)
• Shared Folders: deny access to parent directories on Windows hosts (bug #4090)
• Shared Folders: make rm/rmdir work with Solaris guests on Windows hosts
• Networking: fixed the problem with blocked receiving thread when a broadcast packet arrives too early to be handled by uninitialized e1000 adapter.
• Networking: fixed the problem that caused host freezes/crashes when using bridged mode with host’s interface having RX checksum offloading on (bug #3926 and related). Fixes problems with TX offloading as well (bug #3870)
• PXE boot: Added support for PRO/1000 MT Server adapter.
• Python bindings: fixed keyword conflict
• SCSI: fixed occasional crashes on Win64
• Serial: allow to redirect the serial port to a raw file (bug #1023)
• VRDP: fixed a rare incorrect screen update

Program Information Category: Tools and Utilities Type: Free Version: 2.2.4 Size: 62.9MB Works on: Windows, Mac, Linux Product page: here