Thanks Tony. You raise a good point. One I've wondered about myself. The immediate issue about these possibilities though is:
1. Everything is new. Computer, all installed software, NAS etc., etc. To make matters worse, Windows, PS, LR and my WD NAS all have had recent updates since I first set up everything and have had this system so who and what do I blame?
2. Everything was fine for two or three weeks or so and then one by one things started to go wrong. I'm suspicious about one or more of those updates being my issue, but where to begin?
3. The machine is an Asus ProArt, a machine specifically made and configured for Photo, Video, Graphic Arts etc., so for the moment I'm presuming that it should not be a hardware incompatiblity with Adobe products. As a matter of fact, Adobe have rated this machine and components highly.
I was hoping that whatever the offending item was woud be taken care of by another update and all of this would go away, but then I had this brand new problem I mentioned above just this morning. Never happened before and since I posted this message it's hapened quite a few times.
I feel like wiping everything and starting again, but it took me a lot of time to get this thing set up and configured and I could end up in the same place as I am now.
Nothing is simple is it?