Windows NT 3.1 build 265

Windows NT 3.1 build 1.265 is an unleaked build of Windows NT 3.1, mentioned in the file  from the Windows NT 4.0 source code.

Note:         This function originally used the runtime div function instead of (/ and %), but the div runtime function is              now broken (build 265).

It's also mentioned in the file, the date in which suggests this build may have been compiled in May 1992.

12 May 1992 - SteveDav  Build 265 Cleanup on DLL unload