Visual designer not working (again)

eclipse.ini had been modified THIS way

-startup plugins/org.eclipse.equinox.launcher_1.3.0.v20140415-2008.jar
[…]

-Dorg.eclipse.swt.browser.XULRunnerPath=c:\

Anyway you say “most” of your students, not “all”… It seems this shows a certain kind of randomness…