I know from other threads that some of the solutions I proposed do work, but if you don't want to try them it is your choice of course.
Are you sure that the IT did clean the Preferences. It is essential for each patch and update. Clearing Preferences will reset to original settings. It can still be done by running the file 'CleanPreferences' which matches your OS, and can be found in the subfolder 'utils' of the installation folder of Captivate. If you have a lot of customisation, there are ways to preserve them. Have a look at:
Captivate 8.0.1 Install? Keep your Customisation! - Captivate blog
If you never clear the cache you'll run out of disk space in the future.
Are the paths in Edit, Preferences pointing to folders on your system, not on a networked drive? Are they different for 'Publish at' and 'Cache'?
If you are on Windows, are you running Captivate as Administrator.
I do use Captivate daily, and I didn't have the problem you mention since months. That is why i strongly believe that not following the release notes when installing an upgrafe, could be the cause.
Last question: are you using the newbie or the expert UI (where you can create workspaces, undocking panels...)?