Smoove crashes Sketchup 15

Worked fine at first. Drew front lawn and did fine. Drawing side lawn the program crashed. Restarted and worked long enough to get side yard finished. Went to back yard. Crashed. Uninstalled the program and reinstalled it. Unchecked all preference boxes but the ones I use often…2 or 3. Sandbox - “From Scratch”
works fine. Smoove now will not load.

What do you mean that Smoove will not load. What happens?

Test for graphic card/driver deficiencies by going to Window > Preferences > OpenGL and disable hardware acceleration. Restart SU. If the problem goes away, then try updating your video driver.

Do you have many/any extensions/plugins installed?