who have the same problem? After installing the Update on Photoshop 2018 I couln't see anymore the control panels of any AddOn or rather I can open then but the windows are all black. Aber re-installing the older version (2015-5) any AddOn works perfectly.
Are you referring to third party Add Ons?
Have you tried reinstalling them again for Photoshop CC 2018?
I tried reinstalling, new installing and anything I could do, but nothing happens.
The window is aktive, I can click on it but I can't see the menue of the AddOn.