When the term Operation Task is used in the context of an AV solution, it generally refers to something such as kicking off a non-scheduled quick or full scan, or perhaps forcing an out-of-band definition update. These are things you would likely be doing in response to malware detection or a malware outbreak.
Having a solid understanding of how these tasks can be accomplished within SCEP will help you to respond quickly to a developing situation.
This recipe has been written in accordance with a scenario in which an administrator is responding to a malware detection alert on a specific PC. For the purposes of this scenario, it is assumed that the administrator's corporate security policy dictates that any PC that has a malware detection alert has to receive an out-of-band definition update and must run a full scan.