Microsoft Updates Windows 10 Version 1803, (October 2018) Gone wrong!
Just had an issue with the most recent Microsoft update were almost everything Microsoft, not sure if any data has been wiped yet.
In our case, at least on the app side, we had to repair or reinstall everything Microsoft including the feature pack as we're using Windows 10 Enterprise N
this is a known issue, see here:
Microsoft Oct 15, 2018