Kontakt 2 Installing is failling

[info@lspiro.ch]

Could sombody tell me why I cannot install Kontakt 2 on version 1.4 in Receptor. Below you see the install report of receptor

*** Installing '/c/Drop Installers Here/kontakt2-2_0_0_002-4.mrpk' - 2005-12-13 05:05:33 PM
bzip2: (stdin) is not a bzip2 file.
tar: Child returned status 2
tar: Error exit delayed from previous errors
Failed: unrecognized '/c/Drop Installers Here/kontakt2-2_0_0_002-4.mrpk'
--> Failed: /c/Drop Installers Here/kontakt2-2_0_0_002-4.mrpk - 05:05:34 PM
Thanks for an answer
laszlo