# The following items were fixed and/or added:
* VMM: fixed 64-bit guests on AMD Fusion CPUs
* VMM: fixed handling of the sysenter/sysexit machine instructions in 64-bit guests on Intel hosts
* GUI: added linked clone support
* GUI: fixed error check when changing the VM controller settings (4.1.0 regression)
* 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 immediate crash during start on certain environments due to a library version conflict
* Guest control execution: implemented copying single files from guest to the host (directories and filters not supported yet)
* Guest control execution: limited to serve up to 5 guest processes at a time by default
* Main: return the correct RDP default port fixing settings warnings in the GUI if the remote display was enabled at runtime
* VBoxSVC: made the path comparison OS independent when images are registered
* VBoxSVC: several fixes/performance improvements for cloning of VMs
* Snapshots: fixed "Solid-State drive" flag survival on snapshot creation
* VBoxManage: implemented copyfrom and stat guest control tools to copy files from guest to host and to check for existence of files on the guest
* VBoxManage: fixed extpack install --replace
* VBoxManage: allow to start multiple VMs with startvm
* VBoxManage: experimental support for SATA CD/DVD hotplugging
* Mouse support: fixed an off-by-one pointer position error affecting Windows guests
* VRDP: fixed a case when the screen was not redrawn correctly
* NAT: changed TCP connection establishment according to Winsock API requirements (Windows hosts only)
* USB: fixed device recognition issues and fixed several device capturing issues (Windows hosts)
* USB: fixed issues with remote filters being applied to local USB devices
* OVA: fixed import of renamed OVA files
* Windows host: fixed icon for .VDI files
* Solaris hosts: fixed a bug preventing parallel usage of multiple host NICs with Crossbow based bridged networking
* Linux hosts: fixed random kernel panics on host suspend / shutdown (4.1.0 regression)
* Guest Additions: keep logged in user count in out-of-memory situations and warn about it
* Solaris Additions: fixed shared folders due to missing symbols in the vboxfs module (4.0.12 / 4.1.0 regression)
* Windows Additions: fixed file truncation on a shared folder with some applications
* Windows Additions: fixed shared folder issues with antivirus software and 64 bit Windows guests
* Windows Vista and 7 guests: WDDM driver fixes and performance enhancements, fixed WinSAT crashes
* Linux Additions: fixed llseek() for Linux kernels 2.6.37 and above