Setup is unable to locate Microsoft CD Extentions. Setup checked in your DOS, WINDOWS and WINDOWS\SYSTEM directories but was unable to find MSCDEX.EXE. If you know the location of MSCDEX.EXE please enter its directory. If you do not have MSCDEX it can be obtained for free from Microsoft. Options: Ok - Enter the directory of MSCDEX and try again Cancel - Cancel setup. Suggestion - If you have MSCDEX, enter its path and click OK. Otherwise choose Cancel, obtain MSCDEX and re-run setup.