VirtualBox 4.0.16 (released 2012-01-11)

This is a maintenance release. The following items were fixed and/or added:

• VRDP: fixed screen corruption
  
• VRDP: fixed screen freeze
  
• ATA: fixed a possible crash during ATAPI passthrough with certain guests
  
• NAT: the interface stopped working after a lot of failed ICMP requests (bug #9371)
  
• Metrics: fixed potential problem with invalid access in guest metrics collection upon VM destruction
  
• Main: fixed incorrect framebuffer information after leaving the fullscreen mode with X11 guests, this lead to a scrambled preview window in the GUI for example
  
• VBoxSVC: fixed crash under rare circumstances (e.g. client crash)
  
• VMDK/VHD: fixed a possible corruption with host cache disabled when using snapshots under rare circumstances (bug #9749)
  
• OVF/OVA: fixed broken disk images on import under rare circumstances
  
• Mac OS X hosts: fixed the problem with duplicate packets when bridged to wireless interface (bug #9648)
  
• Windows Additions: implemented faster detection of logged-in guest users and stale sessions
  
• Linux guests: fixes for Linux 3.2

VirtualBox 4.0.14 (released 2011-10-18)

This is a maintenance release. The following items were fixed and/or added:

• VMM: fixed 64bit guests on AMD Fusion CPUs (bug #8824)
  
• VMM: fixed handling of the sysenter/sysexit machine instructions in 64-bit guests on Intel hosts
  
• GUI: fixed the inclusion of additional information (license, vendor, ...) on OVF export
  
• GUI: when taking a snapshot from the VM selector, don´t do a live snapshot
  
• GUI: fixed spurious LCtrl key events on some Windows hosts (4.0.6 regression; bug #373)
  
• VBoxManage: fixed extpack install --replace
  
• VRDP: fixed a rare screen corruption
  
• E1000: fixed rare Windows 7 guest hangs, either at boot time or when reconfiguring the network card in unusual setups (bug #6223)
  
• Mouse support: fixed an off-by-one pointer position error affecting Windows guests (bugs #7566, #9321)
  
• NAT: changed TCP connection establishment according to Winsock API requirements (Windows hosts only; bug #8919)
  
• VHD: fixed reads crossing block boundaries (bug #8532)
  
• VMDK: fixed progress indicator when creating split VMDK images
  
• Floppy: fixed medium size detection for physical mediums (Windows hosts only)
  
• VBoxSVC: made the path comparison OS independent when images are registered (bug #9303)
  
• Main: return the correct RDP default port fixing settings warnings in the GUI if the remote display was enabled at runtime (bug #9368)
  
• Main: fix VM initialization if a shared folder does not exist (bug #7941)
  
• Main: fixed taking screen shots (e.g. the preview window) for headless VMs if the Guest Additions are active
  
• Main: fixed possible deadlock between hard disk enumeration and the resetting of immutable disks (bug #9549)
  
• OVA: fixed import of renamed OVA files (bug #9033)
  
• Virtio-net: fixed the problem with UDP packets exceeding MTU (bug #9370)
  
• Solaris hosts: fixed starting EFI guests due to missing EFI ROM files (bug #9535)
  
• Mac OS X hosts: fix installation issues when installed as root (bug #1578)
  
• Windows Additions: fixed file truncation on a shared folder with some applications (bugs #9276, #9315)
  
• Linux Additions: suppress an incorrect error message and allow a shared folder to be mounted in multiple places (bug #9627)
  
• Linux Additions: add support for X.Org Server 1.11 (bug #9519)
  
• Linux Additions: fixed llseek for Linux kernels 2.6.37 and above
  
• Linux Additions: start VBoxService correctly on openSUSE 12.1 (bug #6229)
  
• Linux Additions: properly finish the installation even if the compilation of the DRM module fails (which is not fatal)