Canceling Data Load Tasks
When you load data on the Web, you can cancel a data load. If you are viewing the data load progress from the Running Tasks module, you can cancel only data loads that you started. Administrators can cancel running tasks by any users to free resources.
To cancel a data load, take one of these actions
From the Progress page, click Stop Task for the data load.
From the Running Tasks page, select the Data Load task from Task Filter and click Stop Task.