I saw reports of 10.14.5 causing problems for Adam, but nothing about 10.14.
6.
As for problems on updating, it sometimes helps to quit all un-needed apps, plus disconnecting un-needed hardware, including external drives.
I tend to always use the
Combo Updater which is
not what you get at the App Store or the Update Notification.
BTW...
After reading several comments at other sites, I grabbed the update for High Sierra at Apple's site.
Are you talking about the usual removal of older OS versions not showing on Apple's site?
This thread is becoming confusing...
Edited Topic Title