We installed 2018 earlier this week, it has had no problems until today.
I've done a Pack & Go of a medium-sized assembly that's on our network, dropping the parts into either a zip file or a folder on my desktop.
A quick review shows that it didn't copy all the files listed in the file list.
Opening the new 'desktop' Assembly, and going to 'Find References', I see that perhaps 20% of the files still reference the network location.
What's up with that?
Isn't the whole point of Pack & Go to consolidate all referenced parts in a local folder?
I don't recall ever having this problem in our previous install (2016).