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VirtualBox 6.1.20 Build 143896

  -  119 MB  -  Open Source
Free Download

Security Status

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 6.1.20 Build 143896.


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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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download VirtualBox 6.1.20 Build 143896
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  • VirtualBox 6.1.20 Build 143896 Screenshots

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    VirtualBox 6.1.20 Build 143896 Screenshot 1
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  • VirtualBox 6.1.20 Build 143896 Screenshot 4

What's new in this version:

- VMM: Fixed extremely poor VM performance depending on the timing of various actions (regression in 6.1.0)
- VMM: Fixed guest OS hanging under certain circumstances when Hyper-V is present
- VMM: Fixed Guru Meditation error when using a nested hypervisor under certain circumstances
- VMM: Fixed a SMAP related host panic affecting Solaris 11.4 systems with Intel Haswell CPUs or later
- OCI: Add cloud-init support for export to OCI and for OCI instance creation
- GUI: Fixed "Delete all files" leaving behind Logs/VBoxUI.log
- Audio: Multiple fixes and enhancements
- Audio: Fixed detection of duplex audio devices on macOS (5.0 regression
- Network: Fixed link status reporting for "not attached" adapters
- Network: Fixed connectivity issues with e1000 in OS/2 guests (6.1.18 regression
- Network: Fixed VxWorks e1000 driver compatibility issue
- Network: Fixed GUI checks for port forwarding rules rejecting IPv6 with "Nat Network"
- DHCP: Don't crash in the presence of fixed address assignments
- Serial: Fixed possible VM hang when using the a serial port in disconnected mode
- Webcam: Fixed interoperability with v4l2loopback and fixed a crash under certain circumstances
- NVMe: Fixed sporadic Windows VM hang or reboot on high CPU load
- VBoxManage: Allow changing network adapter attachment of a saved VM with "modifyvm"
- vboximg-mount: Fix for argument processing to honor the '--root' option (6.0 regression

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