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Windows Vista build 5212 (winmain)

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6.0.5212.winmain.050726-1915
Build of Windows Vista
6.0.5212.winmain.050726-1915
OS family
Architecturex86
Compiled2005-07-26[!]
Timebomb2006-09-30 (+430 days)
Works in
About
WindowsVista-6.0.5212-About.png
Key
GKFV7-F2D9H-QKYXY-777P3-4M73W
TCB.png

Windows Vista build 5212 (with a build tag of 5212.winmain.050726-1915) is a pre-Beta 2 build of Windows Vista. It leaked on 2016-12-19 at BetaArchive. It includes Flip 3D, and notably, it reintroduced the sidebar, but it now runs in its own process rather than explorer.exe (which caused memory leaks in the former Longhorn project). Aero can be enabled on this build in VMware, unlike 5112, but it looks the same as 5112.

This is the leaked winmain compile, and it's not to be confused with the other compile, which is not leaked, and is vbl_ux_dev_checkin.

Gallery[edit]