Hi, Having this error below ..any ideas how to resolved ? Thanks

INFO nxlog-ce-2.11.2190 started ERROR failed to subscribe to msvistalog events using bookmark: Access is denied.
ERROR failed to subscribe to msvistalog events,access denied [error code: 5]; Access is denied.
WARNING stopping nxlog service WARNING nxlog-ce received a termination request signal, exiting... WARNING not starting unused module dns INFO nxlog-ce-2.11.2190 started ERROR failed to subscribe to msvistalog events using bookmark: Access is denied.
ERROR failed to subscribe to msvistalog events,access denied [error code: 5]; Access is denied.