UPA is throwing error while stopping through powershell

HI , 

Please help here i am not able to create UPA in share point 2010 , Its throwing error when i stop UPA service  from power shell PFB the error . 

Stop-SPServiceInstance : An object of the type Microsoft.SharePoint.Administration.SPServiceInstanceJobDefinition named "job-service-instance-394a054b-daeb-4cd3-af4c-51dbae224644" already exists under the parent Microsoft.SharePoint.Administration.S
PTimerService named "SPTimerV4".  Rename your object or delete the existing object.
At line:1 char:23

Abhishek Tiwari