oracle数据库登录提示无监听程序

大家好，我对oracle数据库不是很熟悉，只会基本的增删查改，昨天数据库还可以登录，但是今天登录就出现了无监听程序的提示信息，然后我百度了大一堆都没解决，请大神指点迷津
我在dos下查了监听状态，截图如下：

另外我的监听文件和连接配置文件如下：

listener.ora Network Configuration File: D:\MyProgram\oracle\product\10.2.0\db_1\NETWORK\ADMIN\listener.ora

Generated by Oracle configuration tools.

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = orcl)
(ORACLE_HOME = D:\MyProgram\oracle\product\10.2.0\db_1)
(GLOBAL_DBNAME = orcl)
)
(SID_DESC =
(SID_NAME = minmin)
(ORACLE_HOME = D:\MyProgram\oracle\product\10.2.0\db_1)
(GLOBAL_DBNAME = minmin)
)
(SID_DESC =
(GLOBAL_DBNAME = minmin)
(PROGRAM = extproc)
(SID_NAME = minmin)
(ORACLE_HOME = D:\MyProgram\oracle\product\10.2.0\db_1)
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.43.119)(PORT = 1521))
(PROTOCOL_STACK =
(PRESENTATION = GIOP)
(SESSION = RAW)
)
)
)

连接文件如下：

tnsnames.ora Network Configuration File: D:\MyProgram\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora

Generated by Oracle configuration tools.

ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
MINMIN =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = china-PC)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = minmin)
)
)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)