I found this WU stalled after 15 hrs. I suspended the task and then reenabled it later. After it started again it stalled at the same point. I looked at the box and it had a popup saying that it had a C++ runtime error that had asked to be shutdown in an unusual way.

STDERR OUT

<core_client_version>5.10.45</core_client_version>
<![CDATA[
<message>
The system cannot find the path specified. (0x3) - exit code 3 (0x3)
</message>
<stderr_txt>
# cpu_run_time_pref: 86400

</stderr_txt>
]]>