VirtualBox v4.2 RC 2 is released. VirtualBox is a general-purpose full virtualizer for x86/x64 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.

VirtualBox v4.2 RC 2 Changelog:
Incomplete list of fixes since VirtualBox 4.2.0 RC1:
- Windows 3.x/9x runs without hardware virtualization again (broken in Beta 1)
- Booting from SATA disks > 128GB works again (broken in Beta 1)
- Mixing AHCI and SCSI controllers produces same disk order as 4.1 (broken in Beta 1)
- OS/2 guests with APM.SYS no longer crash during boot (broken in RC1)
- 64-bit guests on 32-bit OSX Snow Leopard hosts made the host hang
- enable "Hypervisor Present bit" for OS X guests
- Guest Execute fixes
- GUI fixes
- EFI fixes
- Main: validate group name collision with existing VM names
- Main: don't crash during restoring a snapshot if the chipset type changed in the meantime
- Disk: allow to restore a VM from a saved state if the VM was moved to a file system where we have to disable async I/O
- Linux 3.6 compilation fixes for shared folders
- fixed dkms.conf LF problem

Download: VirtualBox v4.2 RC 2
Source: Here