TNS-12560 TNS protocol adapter error opiodr aborting process unknown ospid

Fatal NI connect error 12560, connecting to:
 (LOCAL=NO)

  VERSION INFORMATION:
TNS for 64-bit Windows: Version 11.2.0.3.0 - Production
Oracle Bequeath NT Protocol Adapter for 64-bit Windows: Version 11.2.0.3.0 - Production
Windows NT TCP/IP NT Protocol Adapter for 64-bit Windows: Version 11.2.0.3.0 - Production
  Time: 31-JAN-2015 15:52:27
  Tracing not turned on.
  Tns error struct:
    ns main err code: 12560
   
TNS-12560: TNS:protocol adapter error
    ns secondary err code: 0
    nt main err code: 0
    nt secondary err code: 0
    nt OS err code: 0
opiodr aborting process unknown ospid (11852) as a result of ORA-609


The Solution

Change the user account that the listener is running as to the same as the one that the database service runs as, restart the listener and this should resolve the issue.