You will see items called IDE Controller and SATA Controller in the left side of the screen. In the screen that appears, click on the Storage icon.
Select your USB from the drop-list, then Press Lock it! (optionally you can check Force Dismount) Now your flash drive should be. Launch the tool right before starting your VirtualBox VM. If you prefer to think of your virtual machine as a single entity. If you open Mission Control while you're using Fusion, each running Windows app gets its own entry.
Despite the Mac's recent gains in market share, Windows is still the dominant operating system, especially in businesses.
