By default the Patch Windows Assessment Scan has an18 minute timeout and will be terminated with event:
<event date='05/31/2022 09:48:04.1860000 +01:00' severity='2' hostName='026881OL' source='Application:: <![CDATA[COM engine works too long. Killing it.]]></event>
ITMS 8.x
Patch Management 8.x
This is by design
This timeout can be adjusted with the following registry value which is :
[HKLM\SOFTWARE\Altiris\Altiris Agent\Patch Management\Patch Assessment]
"AssessmentTimeoutSec"=dword:00000e10