Windows NT 4.0 build 1381.335a

Windows NT 4.0 build 1381.335a is the Service Pack 6a release of Windows NT 4.0, which was released on 22 November 1999.

Changes
This build changes the latter year in  from 1996 to 1998, although it was compiled in 1999. Some locales (including German) even have an updated copyright date of 1997.