You need to change this line in the ExecTBL.ini file in your skin directory
"STREETGPS","LOAD;EXTERNAL_GPS.skin;Navigation;C:\ Program Files\Street Atlas USA 2004+\SA2004+.exe;DeLorme Street Atlas USA® 2004 Plus"
maybe to this
"STREETGPS","LOAD;EXTERNAL_GPS.skin;Navigation;C:\ Program Files\Street Atlas USA 2005\SA2005.exe;DeLorme Street"
