Hello,

if you are 100% sure that the new Shortcut points to the new icon (and your issue is not caused by a "per-user" Shortcut problem) then the old icon is still in the Windows cache. You can try the "Refresh Desktop" script function from within your installer.

Interesting threads:

http://www.lindersoft.com/forums/showthread.php?46665
http://www.lindersoft.com/forums/showthread.php?43995

Hope this helps.

Friedrich