This article is written for those who were searching for a detailed and simple for the understanding guide on how to solve the problem of running VirtualBox on macOS Catalina.

After installing macOS Catalina, many ran into a problem when starting virtual machines in VirtualBox.

This guide addresses the issue of running virtual machines on macOS 10.15 when using VirtualBox 6.0.12.

To fix the problem, you need to open the terminal emulator on a computer with macOS Catalina installed and run the command:

VBoxManage setextradata global GUI/HidLedsSync 0

This guide covers connecting to a server using the iTerm2 terminal emulator installed on the macOS operating system.


Hi, I’m Vladimir Mikhalev, but my friends call me Valdemar. I have a lot of experience in the design and maintenance of various information systems. On my website, you will find detailed and clear guides for setting up IT solutions. Dive into the ocean, full of positive and technology! For cooperation:

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