Windows 10: Windows 10 Update KB4522355 fails repeatedly

Greetings --

The most recent (optional) update for Win10 x86 v.1903 build 18362.418 continues to fail with repeated attempts. Using Windows Update, the update files download ok, the update starts and proceeds normally, but in the end it gives an error message. After 5 failed attempts, I downloaded the KB4522355 offline installer, then deleted all the previously downloaded files in Windows\SoftwareDistribution. Then I ran the manually downloaded installer as administrator. Same thing, toward the end of the initial installation process, just before calling for the reboot, it gave an error message.


This is the first time in a long time there's been a problem with installing a routine update.


I've attached the error message given by the offline installer and the "Update not installed" log file.



Any informed insights or suggestions?


Bob S


P.S. Couldn't figure out how to upload the log file, so here's the text of the file, if this helps:


{B4D147CA-89F0-4983-B4F5-1591F99AE54C} 2019-10-25 11:35:07:314-0500 1 181 [AGENT_INSTALLING_STARTED] 101 {268BEDB9-2F14-4A67-B57D-3FB22CAB0F00} 501 0 wusa Success Content Install Installation Started: Windows has started installing the following update: Update for Windows (KB4522355) 23SO88RZIkakE7Zz.2.1.0.2.0
{6656D744-35C5-426A-972D-2D7795232622} 2019-10-25 11:37:17:642-0500 1 182 [AGENT_INSTALLING_FAILED] 101 {268BEDB9-2F14-4A67-B57D-3FB22CAB0F00} 501 80073701 wusa Failure Content Install Installation Failure: Windows failed to install the following update with error 0x80073701: Update for Windows (KB4522355). 23SO88RZIkakE7Zz.2.1.0.4.0

:)

 

Windows 10 fails to update


When you finish testing the Avast suggestion, make sure that you restart your machine.

Then if the issue persists, please return to the trouble shooting list in post# 89

I think there are three steps that remain; the WU troubleshooter, reset WU components, and manual WU reset.