Photoshop workspace and setting reset after CC update

Question

Hi,
I downloaded updates this morning via Adobe CC desktop app, now all of my workspace settings, preferences, extensions, brushes, actions, patterns etc have been reset to factory by the look of it.
I tried going to Photoshop > (my username) > Download Settings, it comes up with a progress bar saying 'Connecting to Creative Cloud' but then doesn't do anything. Anyone got any ideas???

Answer 1

Yes, it sounds like something related to the OS may have been damaged by the update. This is also a frequent type of issue we see on the forums. In virtually all such cases, it can attributed to a drive that already had damaged files and/or file table data. Replacing/updating as many items as get changed in an update (especially a 1.5 GB update) only makes the damage worse. Then the user "suddenly" has issues they weren't experiencing before.
First and foremost, if you don't have a complete, restorable backup of your drive, make one. You don't want things to get worse as you try and resolve the issue, or lose important data you have no backup for.
Boot to a separate drive (like the Recovery partition) and use Disk Utility to do a Repair Disk on the main drive. If it finds any errors, repeat until it reports no errors.
Download either the 10.10.3 Combo updater, or the full Yosemite installer (I'd go with the full installer). Reinstall OS X and test.