Windows 8 build 7973 (fbl srv wdacxml)

Windows 8 build 7973 (winmain) is an unleaked Windows 8 build. Only part of an "About Windows" box has been shown of this build. However, the screenshot of this build is confirmed to be fake because it has the same hash ID as 7973.fbl_core1_kernel_npc.110330-1809.