Windows Vista build 5600

Windows Vista build 5600 is the official Release Candidate 1 build of Windows Vista, which was first released to technical beta testers on 1 September 2006 then to the wider public five days later on 6 September.

Bugs and Quirks

 * On some hardware this build can suddenly break during install, displaying a "Windows cannot install required files" message. This seems to be an error with disk drivers in PE.
 * On hibernation, the lock sound is played before the system powers down.