I use a mac intel and have used 2.5 many times since it was issued.  Last night though, I went to play something back and I got this message:

KontaktPlayer2

ERROR:  could not read encrypted sample (library not registered?)

edg_decbuz_sht_02.wav

Continue loading?

No  Yes

When I clicked Yes, it just went through the list of everything...

I reinstalled it, but it did the same thing.  If you can help, thanks a ton!!!!

Was this on a file that came from another computer using VDL 2.5?�� Or has the file always been on that computer and was this file working just fine before?

Also are you using Finale or Sibelius, and which Operating System are you on?