Make Tech Easier published a tutorial about how to fix Ubuntu freezing in VirtualBox.
How to Fix Ubuntu Freezing in VirtualBox
Virtual machines are complex things, and when something goes wrong, it can be tough to tell where the problem lies. This is especially true if you’re dealing with Ubuntu freezing in VirtualBox. If this is happening to you, trying to figure out what the problem is can be an exercise in frustration. Here are some ways you can use to fix the Ubuntu freezing in VirtualBox issue.
How to Fix Ubuntu Freezing in VirtualBox
