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VirtualBox for Mac

VirtualBox 4.3.20 Build 96996

  -  108.79 MB  -  Open Source

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of VirtualBox 4.3.20 Build 96996.


For those interested in downloading the most recent release of VirtualBox for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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What's new in this version:

- VMM: fixed reboot hang of 32-bit Windows SMP guests (bug #13319, #13462)
- VMM: proper Math Fault handling with certain legacy guests (bug #9042, AMD hosts)
- VMM: fixed a Guru Meditation VINF_EM_TRIPLE_FAULT on older CPUs that don't support MSR-bitmaps (VT-x only; bugs #13034, #13125, #13311, #13425, #13426, #13463, #13585)
- GUI: fix 3D overlay window re-parenting issue when VM goes to full screen mode on X11 hosts.
- GUI: fix occasional loss of focus in full-screen mode on X11 host systems (4.3.16 regression)
- GUI: Mac OS X: wizards should have Cancel button (bug #12541)
- GUI: added a global option to prevent automatic raising of the new window by mouse move with multi-screen guests (bug #8878)
- API: accept remote display port 0 as the default RDP port (bug #8534)
- VBoxManage: fixed crash when executing showvminfo command under certain circumstances (bug #13190)
- ACPI: fixed occasional Guru Meditations in ACPI timer code (4.3.18 regression; bug #13521)
- EFI: improved performance of IDE disk access
- EFI: fixed a bug in the EFI video driver which prevented Windows to boot in UEFI mode (bug #12022)
- EFI: properly announce the amount of RAM for big VMs (bugs #11103 and #13211)
- Storage: fixed a crash under certain circumstances when a medium was ejected from a drive attached to the SATA controller without inserting a new medium before pausing or closing the VM (4.3.16 regression)
- Storage: fixed an interrupt acknowledge issue causing hanging guests or slower I/O (4.3.18 regression)
- Storage: fixed broken resume after the VM was suspended due to a full disk if host I/O caching is used
- Storage: fixed a Guru Meditation under certain conditions when using the DevLsiLogic controller with VMs running in raw mode (4.3 regression; bugs #12254, #12655, #12709, #12774, #12886)
- Guest Control: fixed a bug which might lead to a crash during recursive copy
- SDK: Java COM bindings fixes
- iPXE: enable the HTTP download protocol (bug #13628)
- Runtime: do not use a fixed stack size creating temporary threads during initialization (bug #13038)
- Windows hosts: fixed more startup problems on certain Windows hosts due to conflicts with anti-virus software; better error reporting (4.3.14 regression; bug #13187)
- Windows hosts: fixed DirectSound host audio failure under certain conditions (bug #13418)
- Windows hosts: fixed additional cases of 4.3.14 regression whereby AltGr stopped working for some people (bug #13216)
- Windows Additions: preserve guest monitor layout when resizing Windows 7 or newer guests
- Linux Additions: Linux 3.18 compile fixes (bug #13515)