VirtualBox 4.1.20 released

VirtualBox 4.1.20 is now available for download.This is a maintenance release.What’s new in this release?

VMM: fixed a crash under rare circumstances for VMs running without hardware virtualization
VMM: fixed a code analysis bug for certain displacement instructions for VMs running without hardware virtualization
VMM: fixed an interpretion bug for TPR read instructions under rare conditions
Snapshots: fixed a crash when restoring an old snapshot when powering off a VM
VBoxSVC: be more tolerant against environment variables with strange encodings
VGA: fixed wrong access check which might cause a crash under certain conditions
NAT: final fix for crashes under rare conditions
Virtio-net: fixed the problem with receiving of GSO packets in Windows XP guests causing packet loss in host-to-VM transfers
HPET: several fixes
Clipboard: disable the clipboard by default for new VMs
BIOS: the PCI BIOS was not properly detected with the chipset type set to ICH9
Mac OS X hosts: adaptions to Mountain Lion
Linux Installer: fixes for Gentoo Linux
Linux guests: fixed mouse integration on Fedora 17 guests
Linux Additions: compile fixes for RHEL/CentOS 6.3
Linux Additions: compile fixes for Linux 3.5-rc1 and Linux 3.6-rc1
Solaris host: fixed a guru meditation while allocating large pages
Solaris host: fixed possible kernel panics while freeing memory
Solaris Installer: fixed missing icon for menu and desktop shortcuts

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