First of all I'd like to say that I use MacBook. Until recently I didn't have any problems downloading posted NZB files and opening them with Unison. But now when I try to download a NZB file it always comes out as ZIP, for example '1201974828.nzb.zip' So I was thinking to myself, alright I'll unpack it and get NZB but I get the 'Unable to unarchive' error. Very strange. I have no clue what the problem is.
Thanks in advance,