What does all this mean?

[Nathan Johnson]

C:\Oracle\Ora81\NETWORK\ADMIN>lsnrctl status
LSNRCTL for 32-bit Windows: Version 8.1.5.0.0 - Production on 18-MAR-02 07:21:24

(c) Copyright 1998 Oracle Corporation. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC0)))
TNS-12560: TNS rotocol adapter error
TNS-00530: Protocol adapter error
32-bit Windows Error: 6: No such device or address
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=bassline01)(PORT=1521)))
TNS-12538: TNS:no such protocol adapter
TNS-12560: TNS rotocol adapter error
TNS-00508: No such protocol adapter
TNS-12560: TNS rotocol adapter error
TNS-00530: Protocol adapter error
32-bit Windows Error: 6: No such device or address

and why does it happen?
Thanks Nathan