If you’re encountering freezing, this is one of the first things to try turning off. While it sounds like something you’d want, it rarely enables any actual gains in performance. No matter whether you’re running Windows, macOS, or even Linux, 3D acceleration can cause plenty of problems in VirtualBox.

Installing an earlier version of Ubuntu may help eliminate the freezing issue. So, the problem could easily be with Ubuntu and not VirtualBox. For example, if you search for “Ubuntu 20.4 LTS freezing” on Google, you’ll see a lot of complaints. Not only will you possibly solve your freezing problem, but you’ll get new features as well.Īlternately, if you started using VirtualBox with a newer version of Ubuntu, check to see if there are any freezing issues with that version.

If a certain version of Ubuntu never froze in the past, you can try installing an older version of VirtualBox.Ĭonversely, you might try running a newer version of Ubuntu.

Some users have found that different versions of VirtualBox and Ubuntu sometimes just don’t get along. No program is free of bugs, and this goes for both Ubuntu and VirtualBox.

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