Look in the skin's Exectbl.ini file for this line.
Your gonna have to either copy over the new DL'd version to the specified loc or change it.Code:"CALENDAR","LOAD;Rainlander.skin;Rainlander;$skinpath$\Rainlendar\Rainlendar.exe;Rainlendar"
If your gonna change it, it should like like this:
Then it should then work, if it does, it may or may not embed properly if they changed the Window title. If thats the case, change the last parm to the new title.Code:"CALENDAR","LOAD;Rainlander.skin;Rainlander;C:\Program Files\Rainlander2\Rainlander2.exe;Rainlendar"