I've an issue with this build and Outlook crashing on three different machines (two Win 10 1809, one Win 10 1803).

When opening up the OAB (offline address book) and entering any random character...

I did not, no.

Installed and working on three machines.

Took some time to download, then to prepare it, then "Getting ready" for about 10 minutes now, let's see what happens next.
Edit: took about 30 minutes in total. Interesting.

The issue _should_ only affect users with Nvidia drivers (which Windows 10 will gladly install for you). However, the driver installation adds a new user profile with a broken profile link, which...

I managed to resolve the issue with KB3074683.
See this thread for details:
Latest KB3074665 update fails to install - Microsoft Community (yes, even though this discuss installation problems of...

I'm also having issues with KB3074683. I was fiddling for over an hour in order to get it working (involved removing SoftwareDistribution, DISM checks/rechecks, etc.). I've given up by now & will...