Block USB access in VirtualBox?

ctrev

How can I restrict a VirtualBox guest from accessing certain USB ports/devices on my host machine? I have some theories on how I might do this, but I really can only guess.

For further clarification, let's say a USB device was causing issues on my guest machine in VirtualBox, but that USB device is critical to my host machine. I need to blacklist VirtualBox from using certain USB devices.

The host being Ubuntu and the guest being Windows.

Update: I disabled the USB controller, uninstalled the extension pack, and even set mouse and keyboard to PS/2. Guest is still able to access my USB ports even though I have done no configuration to allow it to do so.

Daniel

From what you've told me in comments, you don't need USB support at all. Just disable the USB controller:

Screenshot

Set these checkboxes to disabled.

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