我在桌面上安装了Oracle Database 11g。 当我试图获得lsnrctl的状态时，我收到如下消息。
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
如何摆脱此消息以及可能导致此消息的原因？