http://support.microsoft.com/kb/172053/cs
Pripadne tady v clanku jsou odkazy na stazeni jiz hotovych reg souborů:
http://malwaretips.com/threads/how-to-fix-lnk-file -association-error.10825/
nebo tady:
http://www.tweaking.com/content/page/tweaking_com_ repair_lnk_(shortcuts)_file_association.html