You change the sounds assigned to eight events for each individual program by modifying the Registry directly. Editing the Registry should be done only by experienced users and with extreme care and the Registry should always be exported or backed up before any changes are made.
1. Start the REGEDIT.EXE program.
2. Go to the key HKEY_CURRENT_USER\AppEvents\Themes\Apps
3. To add a new program to the list, click the right mouse button on Apps and select New Key and then type a new program name such as FREECELL. To edit the sounds for the events associated with a program in the list double click on the application name.
4. To add a new event and associated sound, again click the right mouse button on the name of the application and select New Key. Type the name of the event for which you would like to add a sound. The events you can choose from are: Open, Close, Maximize, Minimize, RestoreDown, RestoreUp, MenuCommand, and MenuPopup.
5. Click on each evernt to which you would like to add a sound. Choose a sound from the list of sounds or press Browse and select a different sound file.