Yes – I uninstalled from Eclipse (Neon) and tried Eclipse Marketplace and even Install New Software – I get the same error now “‘Installing Software’ has encountered a problem. An error occurred during the org.eclipse.equinox.internal.p2.engine.phases.CheckTrust phase.
session context was:(profile=epp.package.java, phase=org.eclipse.equinox.internal.p2.engine.phases.CheckTrust, operand=, action=).
Error reading signed content.
Exception in opening zip file: C:\Users\Q799394\eclipse-Neon\plugins\org.zeroturnaround.eclipse_7.1.7.RELEASE.jar