The background colour of the Filter Gallery window (and any filter window) is black. I can see sliders and checkboxes, but I cannot see the related labels and text. This does not happen in the Adobe Illustrator Effects windows. I've rebuilt PS settings, but I still have this issue. I've searched the web without luck. Any ideas?
Did you use MacKeeper or some other utility to "clean" your OS?
You'll probably need to do a repair install of the OS to fix the missing OS components.
See this thread for some other users who experienced this problem: Photoshop CS6: Save for web window mostly black and unreadable
Thanks for your response. Yes, I do use MacKeeper and probably used it to delete the extra files for an old version of Photoshop - I did notice that MacKeeper seems to be unaware that more than one version of a software is installed. I'll try to restore the appropriate components.