Serega_,
Код:
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\.mp3]
"PerceivedType"="audio"
"Content Type"="audio/mpeg"
@="AIMP.MP3"
"MP2.Last"="Custom"
[HKEY_CLASSES_ROOT\.mp3\OpenWithList]
[HKEY_CLASSES_ROOT\.mp3\OpenWithList\wmplayer.exe]
[HKEY_CLASSES_ROOT\.mp3\OpenWithProgIds]
"mp3file"=hex(0):
[HKEY_CLASSES_ROOT\.mp3\PersistentHandler]
@="{098f2470-bae0-11cd-b579-08002b30bfeb}"