ORA-01092 ORA-00704: bootstrap process failure / ORA-39700

while starting db giving ORA-01092: ORACLE instance terminated. Disconnection forced & in alert log file  ORA-00704: bootstrap process failure / ORA-39700

Solution:

1. Open a command prompt and browse to /rdbms/admin
2. Start sqlplus (sqlplus / as sysdba)
3. Run "startup upgrade"
4. Run @catproc.sql and SQL> STARTUP UPGRADE
SQL> SPOOL patch.log
SQL> @?/rdbms/admin/catupgrd.sql

SQL> SPOOL OFF