Patch failed to install on agent:
Also tried to install it manually from the Package Delivery folder, but again it failed:
C:\Program Files\Altiris\Altiris Agent\Agents\SoftwareManagement\Software Delivery\{Package GUID}\Cache
Windows Event Viewer logs included the following:
Installation Failure: Windows failed to install the following update with error 0x80070070: Security Update for Windows (KB5004238).
ITMS 8.x
Patch Management 8.x
Based on the 0x80070070 error in the Event Viewer Logs, we increased the free space on C:\ drive per the following Microsoft article and this resolved the problem: