Another Update?

I don't seem to have a Windows.old folder

tae111 said:

The version before todays update was 1703 OS 15063.483. It is now 1703 OS 15063.540.

15063.483 was the cumulative update KB4025342 released on the regular 'Patch Tuesday' July 11th.
Cumulative Update KB4025342 Windows 10 v1703 Build 15063.483

There was an 'out-of-band' update KB4032188 on 31st July taking the build up to 15063.502.
Cumulative Update KB4032188 Windows 10 v1703 Build 15063.502

15063.540 is the latest cumulative update KB4034674 released on 'Patch Tuesday' August 8th.
Cumulative Update KB4034674 Windows 10 v1703 Build 15063.540

It seems that you did not get KB4032188 through windows update, and that windows update may have only just got round to checking for updates, finding and installing KB4034674. The reference to an update that couldn't install may well be down to KB4032188 being queued up but being superseded by KB4034674 before it could be installed.

With build 15063.540 you are fully up to date, so there is nothing to worry about. As to why your update history is empty, none of the above update seem to be responsible. I had them all and my history is complete.