Windows 2000 build 2042

Windows 2000 build 2042 is a build of Windows 2000, which is referenced in Windows XP's source code in. It is the first build to include the  environment variable. A reference to the Professional SKU can also be found inside of the source code inside.

relnot99.txt
99-05-20 mattwe       Bugs 7593, 9256: On NT5, we now attempt to use the USERPROFILE and APPDATA environment variables for registry icon paths. When we do, the registry key gets a EXPAND_SZ type. Note that APPDATA is only available in NT5 starting with build 2042.