Is this in SketchUp 2018 as your profile indicates you’re using? And Windows 7?
Yes on both questions. Its not model dependent
Try repairing the installation. Find the installer or download a fresh copy, right click on it and choose Run as administrator. Then Repair.
Does that mean I would have to reinstall all my plug-ins?
No, it doesn’t.
Extensions are installed in a User directory that is not affected by reinstalling theapplication.
OK Thanks, I’ll try it
That worked! Thanks for your help. I totally appreciate it.