Cpba-x64fre-en-us-dv9 Upd -

is the standard, official volume label and identifier for a specific Microsoft Windows 10 installation media disk image (ISO) . If you notice a mysterious drive on your computer or a file named CPBA_X64FRE_EN-US_DV9 , your system has mounted a Windows 10 setup image as a virtual disc.

The string is a shorthand used by Microsoft to describe the build's architecture and language: cpba-x64fre-en-us-dv9

: This part is consistent and describes the system architecture and the build type. is the standard, official volume label and identifier