Software Update: VirtualBox 4.1.4

Oracle has released the second update for version 4.1 of VirtualBox. VirtualBox can be used to install other operating systems in a virtual environment on a computer. In this way it is possible to use different operating systems on the same hardware side by side and at the same time. VirtualBox is available for Windows XP and above, Mac OS X, Linux, and Solaris, and is capable of many guest operating systems to turn.

The VirtualBox download contains only open source components. Some features, including support for USB 2.0 ports and the remote display protocol, are closed source and can be added by installing the VirtualBox Extension Pack. This one extension is under a Personal Use and Evaluation license, i.e. PUEL† In version 4.1.4 the following changes and improvements have been made:

The following items were fixed and/or added:

• VMM: fixed PAE guests running on 32-bit hosts (4.0 regression; bug #9458†
• VMM: fixed INVALID_PARAMETER guru meditation caused by insufficient memory conditions (4.1.0 regression; bug #9240†
• VMM: fixed clobbered CPU registers during stos/lods/ins/outs emulation under rare circumstances
• VMM: another fix for 64-bit guests on recent AMD CPUs
• GUI: warn the user if he uses an outdated extension pack and allow to download and upgrade in that case (bug #8025†
• GUI: fixed spurious LCtrl key events on some Windows hosts (4.0.6 regression; bug #373†
• VBoxManage: another fix for extpack install –replace (bug #9308†
• VBoxManage: allow to specify the UUID of the target image in convertfromraw
• VRDP: fixed a rare crash when two or more clients connect to the server (bug #9503†
• VRDP: fixed a case when a client was not resized correctly (bug #9242†
• USB: make device capturing work on Windows hosts with usbhub class filter drivers installed (bug #9298† bug fixes for Windows host USB support
• 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)
• Main: fixed VM initialization if a shared folder does not exist (bug #7941†
• Main: fixed possible deadlock between hard disk enumeration and resetting of immutable disks (bug #9549†
• Main: fixed not detaching of virtual storage after a snapshot restore operation (bug #8296†
• Main: always reset modified state after restoring a snapshot (bug #9387†
• Main: fixed writing of changed VM settings to disk when using snapshots (bug #8932†
• Main: fixed taking screen shots (eg the preview window) for headless VMs if the Guest Additions are active
• Virtio-net: fixed the problem with UDP packets exceeding MTU (bug #9370†
• 3D Support: fixed incorrect rendering and possible crashes when switching to/from fullscreen with enabled 2D acceleration
• 3D Support: fixed compiz under ubuntu 9.10
• Guest control: Miscellaneous small bug fixes
• Linux / Solaris hosts: don’t use hard links in packages (4.1.2 regression; bug #9441†
• Mac OS X hosts: fix installation issues when installed as root (bug #1578†
• Mac OS X hosts: fixed packet capture issues with vboxnetX host-only interfaces (bug #8076†
• Solaris hosts: fixed incoming multicast packets for Crossbow based bridged networking (bug #9532†
• Solaris hosts: fixed starting EFI guests due to missing EFI ROM files (bug #9535†
• Windows hosts installer: fixed ADDLOCAL usage on command line (4.1.0 regression; bug #9488†
• Windows hosts installer: fixed dangling shortcut to the .chm help file (bug #9646†
• Windows hosts installer: try to fix installation error 2869 which appeared under certain circumstances (bug #9664†
• Windows hosts: VBoxHeadless should never open a separate console window (bug #3549†
• Guest Additions: fixed hang while waiting for guest execution output (4.1.2 regression; bug #9446†
• Linux Additions: add support for X.Org Server 1.11 (bug #9519†
• Linux Additions: suppress an incorrect error message and allow a shared folder to be mounted in multiple places (bug #9627†
• 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)
• Solaris Additions: fixed memory leaks and panics while mounting (from console) and unmounting shared folders.
• Windows Additions: fixed swapped mouse cursor hotspot coordinates (4.1.0 regression; bug #9447†
• Windows Additions: fixed PAGE_FAULT_IN_NONPAGED_AREA BSOD in VBoxDisp.dll when running SnippingTool (bug #9508†
• Windows Additions: make image viewer work correctly with Aero enabled (Vista and Windows 7)
• Windows Additions: fixed incorrect window border blurs under Aero with ATI cards (Vista and Windows 7)
• Windows Additions: fixed incorrect rendering when moving 3D applications outside guest desktop and back under Aero (Vista and Windows 7)
• Windows Additions: fixed guest hangs when switching back from fullscreen text mode apps (bug #9636†

VirtualBox 4.0.0 screenshot, click on the image for a larger version.