Windows 7 build 6780

Windows 7 build 6780 is a Milestone 3 build of Windows 7.

New features and changes

 * Setup has been heavily updated to resemble the RTM, but with the beta background.
 * This build has a new boot screen showing a new progress bar.
 * The login screen is updated to resemble the official beta.
 * Calculator, Paint, WordPad and Sticky Notes have all received numerous updates, taking advantage of the new Ribbon interface for the latter two. Calculator's appearance resembles that of the RTM.
 * The OOBE is now in 1024x768.
 * Display in the dropdown menu has now been renamed to Display Settings.
 * IE8 now shows a "Set Up Windows Internet Explorer 8" when opened.
 * You can now snap gadgets to the right side of the screen, however it is really buggy and is really hard to take gadgets out.
 * Gadgets are no longer shown by default.
 * The welcome center no longer appears when logging in.
 * When saving files, folders are shown by default.
 * The system tray resembles that of the RTM.
 * UAC doesn't have a transparent background.
 * Sync Center was added into Control Panel in this build.
 * Windows Preinstallation Environment was updated with a new background.
 * Accelerators were introduced in Control Panel for Internet Explorer.
 * Explorer bar is now light blue.
 * Windows Media Player version is updated to 12.
 * Some strings during an upgrade have been modified slightly

Bugs

 * The System Reserved partition is shown in Explorer for no apparent reason.

Upgrade
It is impossible to upgrade to this build due an error in which.