IT WORKED!!! thank you Karen!! I pulled two pref files, wasn't sure which one was the one I wanted (Adobe Photoshop CC 2015 prefs from the Preference folder, and com.adobe.Photoshop.plist from the Preference Panes folder - I put them on the desktop). Whichever, that seemed to do the trick.
I hadn't thought about looking in the User Library!
Now we keep our fingers crossed... and we write this down somewhere!!
Thanks!
Gail
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