Windows 2000 build 1890

Windows 2000 build 1890.1 is mentioned in the Windows XP Service Pack 1 source code in the file.

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. //