Look there
http://forums.shareaza.com/showthrea...threadid=48029
Shareaza is dependent on MFC (Microsoft Foundation Class) meaning its porting will be very difficult as a native *nix client. As per running it in Wine, you should look there to find what works and what doesn't
http://appdb.winehq.org/appview.php?iVersionId=6940
Wine will never achieve 100% MS environment compatibility IMO, so Shareaza might be buggy forever on it.
For me, *Mule+*Wire+BT clients forever on Linux and Mac