After implementing tip 0499 » Remove the arrow (Shortcut Overlay) from your desktop shortcuts, some desktop icons still display the Shortcut Overlay?

Not all shortcuts are .LNK files.

Default extensions that contain the IsShortcut Value Name are:

Extension       Key containing the
IsShortcut Value Name
.LNK HKEY_CLASSES_ROOT\lnkfile Standard shortcut.
.PIF HKEY_CLASSES_ROOT\piffile 16-bit program shortcut.
.URL HKEY_CLASSES_ROOT\internetshortcut       URL shortcut.
.WSH HKEY_CLASSES_ROOT\wshfile Windows Scripting Host shortcut.