Windows NT 4.0/4.0.1287.1

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Windows NT 4.0 build 1287.1 is a leaked build of Windows NT 4.0 leaked on June 1, 2010 by Darkstar.

Windows NT Task Manager loads with a warning.[1]

References

  1. Sigma (@fakirmeditation) (14 May 2021). The earliest versions of the Windows NT Task Manager (Specifically the versions included with the leaked NT 4.0 builds 1264, 1273 and 1287) had this neat little warning pop up on startup.. Twitter. Retrieved on 17 April 2022.