LT428D.EXE Contents: LT428D.EXE is a self-extracting zip file. The files contained in this file are used for updating Australian Aptiva 2140-LQ2, 2140-LQ3, 2140-LQ4, 2140-LQ5, 2140-LQ6, 2140-LQ7, 2142-SQ1 and 2142-SQ2 systems equipped with the Lucent Technologies Winmodem to driver version 4.28D. Instructions: 1) Place LT428D.EXE in its own temporary directory on the hard file. 2) Invoke LT428D.EXE. (Either from a DOS command prompt or Windows Explorer.) 3) Run the SETUP.EXE program which has been extracted.