Use the cancel command in the Simulation Compute Manager, to abort a job.
You can only abort jobs that are running in the Active area.
Open the Simulation Compute Manager
Right-click on the job you want to abort.
Select Cancel from the context menu.
The job stops instantly, and the moves to the completed area of the Simulation Compute Manager. If you are in Thumbnail view, an explanation mark appears in the top right corner of the thumbnail.