Looks like it's under investigation:
"McAfee is currently investigating a possible change in behavior that would allow the server to terminate the task in certain circumstances. However, such a change would require significant rework in McAfee Agent and ePO and would not be possible until a future major release."
Server task configured to execute Run Client Task Now task may run indefinitely or get stuck "In Progress" Technical Articles ID: KB85013 Last Modified: 4/7/2017
I´ll check out
Tao, the version of the ePo that i use is 5.3.2 ... the version 5.9.0 fix this issues?
Doesn't appear so: Environment - McAfee ePolicy Orchestrator (ePO) 5.x