Server 2012 - Unable to install Windows Updates

We are having issues installing windows updates(we use Ivanti to install updates) on Server 2012. SharePoint 2013 is installed on this server. An example is KB4540726 won’t install. Manually installing the updates show the updates installing (a few seconds), then a restart is required message appears but the KB’s don’t appear in Installed Updates after a restart.

I ran dism /online /cleanup-image /restorehealth, sfc /scannow and same behavior.

Note: No issues installing SharePoint updates.

Are there other logs I can check? I don’t see errors in Application or System Logs under Event Viewer.

How can I get these updates installed?

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Update – log file information:

2020-06-06 16:06:17:450 992 3b08 Agent ** START ** Agent: Installing updates [CallerId = wusa]
2020-06-06 16:06:17:450 992 3b08 Agent *********
2020-06-06 16:06:17:450 992 3b08 Agent * Updates to install = 1
2020-06-06 16:06:17:450 992 3b08 Agent * Title = Security Update for Windows (KB4532920)
2020-06-06 16:06:17:450 992 3b08 Agent * UpdateId = {ACED0E5A-FFC9-4B20-A741-1221F403C28E}.501
2020-06-06 16:06:17:450 992 3b08 Agent * Bundles 1 updates:
2020-06-06 16:06:17:450 992 3b08 Agent * {5BCC7973-7CA2-40D2-8327-DF1B12B47F34}.501
2020-06-06 16:06:17:465 992 3b08 Handler Attempting to create remote handler process as PMINSCOusername in session 3
2020-06-06 16:06:17:512 992 3b08 DnldMgr Preparing update for install, updateId = {5BCC7973-7CA2-40D2-8327-DF1B12B47F34}.501.
2020-06-06 16:06:17:512 16416 b28 Misc =========== Logging initialized (build: 7.8.9200.22695, tz: -0400) ===========
2020-06-06 16:06:17:512 16416 b28 Misc = Process: C:Windowssystem32wuauclt.exe
2020-06-06 16:06:17:512 16416 b28 Misc = Module: C:WindowsSYSTEM32wuaueng.dll
2020-06-06 16:06:17:512 16416 b28 Handler :::::::::::::
2020-06-06 16:06:17:512 16416 b28 Handler :: START :: Handler: CBS Install
2020-06-06 16:06:17:512 16416 b28 Handler :::::::::
2020-06-06 16:06:17:528 16416 b28 Handler Starting install of CBS update 5BCC7973-7CA2-40D2-8327-DF1B12B47F34
2020-06-06 16:06:17:528 16416 b28 Handler CBS session identity: 30817341_4030603473
2020-06-06 16:06:17:528 16416 b28 Handler CBS package identity: Package_for_KB4532920~31bf3856ad364e35~amd64~~6.2.1.4
2020-06-06 16:06:17:528 16416 b28 Handler Installing self-contained with source=C:WindowsSoftwareDistributionDownload755aaabd3d49df852a129eced49f8171Windows8-RT-KB4532920-x64.cab, workingdir=C:WindowsSoftwareDistributionDownload755aaabd3d49df852a129eced49f8171inst
2020-06-06 16:06:22:146 16416 b28 Handler Requesting post-reboot reporting for package Package_for_KB4532920~31bf3856ad364e35~amd64~~6.2.1.4.
2020-06-06 16:06:22:161 16416 b28 Handler Completed install of CBS update with type=3, requiresReboot=1, installerError=0, hr=0x0