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I would say that as long as Windows is not nagging you to install an update, then complaining that it failed and backing it out again, then repeating the whole process over and over again, you should...

It means that, as usual, Microsoft failed to test their updates before deploying them.

Possible fix:

https://www.wintips.org/fix-error-0x80240034-windows-10-version-1803-failed-to-install/