Running Elasticsearch

Hi. 
Can anyone help me?
I try to run elastic from the command promt, but wright that elasticsearch  is running already and I get error like this:

[2021-03-29T07:57:23,485][ERROR][o.e.b.Bootstrap ] [User] Exception java.lang.IllegalArgumentException: invalid port range: 127.0.0.1 at java.net.SocketPermission.init(SocketPermission.java:444) ~[?:?] at java.net.SocketPermission.<init>(SocketPermission.java:299) ~[?:?] at org.elasticsearch.bootstrap.Security.addSocketPermissionForPortRange(Security.java:283) ~[elasticsearch-7.12.0.jar:7.12.0]Preformatted text`

Welcome!

What exactly did you do?

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