You will usually see this label in under the "This PC" section. It appears for two main reasons:
The string is a shorthand used by Microsoft to describe the build's architecture and language: cpba-x64fre-en-us-dv9
: Stands for "Free" build, which in Microsoft's developer terminology refers to the retail/production version of the software (as opposed to a "Checked" or debug version). EN-US : Denotes the English (United States) language pack. You will usually see this label in under
: You have a USB flash drive or DVD plugged into your computer that contains a Windows installer. How to Remove It : You have a USB flash drive or
If you are currently trying to install Windows and seeing this, it confirms your media is ready for use. If you see this on a Mac, it is likely the virtual disk used by to bridge the installation between macOS and Windows.