Windows 10: Finally, an *actual* solution to 0x800703f1 and 0xca00a000 errors in Windows Update besides...

I've been battling this issue for ages now with various Windows installs, and if you search for solutions, it's a gigantic list of useless advice--often boilerplate responses--that starts with suggestions to run the Windows Update troubleshooter, manually reset Windows Update, perform a clean/safe mode reboot, run an AV check smh, etc. and inevitably results in either a Windows reinstall or no response and now, many of these questions here are no longer accepting replies. To be sure, resetting Windows Update does help in some cases, but as one retired thread shows 635 people say "I have th

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windows 10 update error 0xca00a000

update won't. error 0xca00a000 fix?

 

Error 0x800703f1 ??? Windows 10

Any new suggestions how to fix this never ending error? 0x800703f1

""There were problems installing some updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help:

• Logitech - WebCam - Logitech Webcam 600 - Error 0x800703f1

• TOSHIBA driver update for TOSHIBA x86 ACPI-Compliant Value Added Logical and General Purpose Device - Error 0x800703f1

• Western Digital Technologies - Other hardware - WD SES Device - Error 0x800703f1

• Logitech - WebCam - Webcam 600 - Error 0x800703f1

Please HELP

 

Drivers won't update, errors 0x800703f1 and 0x80070002

I have about 20 drivers that need updating. Windows version 18363. The updates download but fail to install. All report error 0x80070002 or 0x800703f1.

I've tried:

• Clearing the download files and restarting the update service.
• Running the troubleshooter
• sfc /scannow
• dism /online /cleanup-image /restorehealth, which seemed to hang after the scan.
• perfmon /report, which shows that one service is crashing
• Using the Device Manager to install individual drivers
• Various other remedies proposed; I googled the error codes and followed up...

Suggestions?