Welcome to the forum
Thanks for this fine contribution to the "Don't run your
project on a network" category!!
These forums are littered with various issues which go away
when projects are run from where Adobe advise, your hard disk.
You've already found the answer. (Assuming you are talking
about your source files rather than the output)
Help others by clicking Correct Answer if the question is answered. Found the answer elsewhere? Share it here. "Upvote" is for useful posts.