This file is for uninstalling the software and utilities for the IBM ISDN International PC Card Modem with GSM. To Uninstall: 1)Download the file to your hard drive (ie C:\) 2)Using either a command prompt C:\unin.exe or Windows Start --> Run --> C:\unin.exe (where C:\ is the drive you downloaded the file too), run the program. 3)Program will go out on your drive and search for the modem and its software components. 4)Once the program finishes, close Windows, restart your system. You have now removed the software and utilities for your modem.