Windows 2000 build 1890

5.0.1890.1

Build of Windows 2000
OS family	Windows NT
Version number	5.0
Build number	1890
Build revision	1
Architecture	x86
Compiled on	1998-09

Windows 2000 build 1890 is mentioned in the Windows XP Service Pack 1 source code in the file base/ntsetup/winnt32/dll/debug.c.

debug.c

            if( BuildNumber >= 1890 ) {
                //
                // Starting on build 1890, we moved/renamed the Profiles
                // directory.  Of course, that only happens on clean installs
                // of these new builds.  We need to see if there's anything
                // in the new directory structure.
                //