Invalid parameters found. Usage: LEViewer.exe /openFile: /TFSUri LEViewer.exe /TFSUri: /environmentUri: /systemUri: LEViewer.exe ...

Invalid parameters found.
Usage: 
LEViewer.exe /openFile: [/TFSUri]
LEViewer.exe /TFSUri: /environmentUri: [/systemUri:]
LEViewer.exe /openUrl:""

Examples:
LEViewer.exe /openFile:c:	est.lvr
LEViewer.exe /TFSUri:http://abc:8080/TFS/DefaultCollection /environmentUri:vstfs:///LabManagement/LabEnvironment/24
     where 24 is the environment Id.
LEViewer.exe /openUrl:"levr://ConnectToFwdLink?CollectionURI=http://abc:8080/TFS/DefaultCollectionForwardLink=1108"
     where "lvr url" is the commandUrl in the lvr file.