[Solucionado] Problema instalando WindowBuilder en Eclipse Neon

Hola foro! Estoy tratando de instalar el complemento WindowBuilder a mi eclipse neon (4.6.0) Build id: 20160613-1800, complemento que pude instalar con exito en otra computadora pero en esta no. me lanza el siguiente error:

con esta descripcion:

Código:

An error occurred while collecting items to be installed
session context was:(profile=C__Program Files_eclipse_java-neon_eclipse, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
No repository found containing: osgi.bundle,org.eclipse.pde,3.12.0.v20160606-1100
No repository found containing: osgi.bundle,org.eclipse.pde.api.tools,1.1.0.v20160508-0834
No repository found containing: osgi.bundle,org.eclipse.pde.api.tools.annotations,1.0.100.v20160418-1724
No repository found containing: osgi.bundle,org.eclipse.pde.api.tools.ui,1.1.0.v20160519-0701
No repository found containing: osgi.bundle,org.eclipse.pde.build,3.9.200.v20160204-0642
No repository found containing: osgi.bundle,org.eclipse.pde.core,3.11.0.v20160510-1223
No repository found containing: osgi.bundle,org.eclipse.pde.doc.user,3.12.0.v20160601-2148
No repository found containing: osgi.bundle,org.eclipse.pde.ds.annotations,1.0.0.v20160525-1437
No repository found containing: osgi.bundle,org.eclipse.pde.ds.core,1.1.0.v20151201-1325
No repository found containing: osgi.bundle,org.eclipse.pde.ds.ui,1.1.0.v20160518-1843
No repository found containing: org.eclipse.update.feature,org.eclipse.pde,3.12.0.v20160606-1100
No repository found containing: osgi.bundle,org.eclipse.pde.junit.runtime,3.5.0.v20151013-0625
No repository found containing: osgi.bundle,org.eclipse.pde.launching,3.6.400.v20160121-1248
No repository found containing: osgi.bundle,org.eclipse.pde.runtime,3.5.0.v20160418-1724
No repository found containing: osgi.bundle,org.eclipse.pde.ua.core,1.0.500.v20160204-0642
No repository found containing: osgi.bundle,org.eclipse.pde.ua.ui,1.1.0.v20160518-1843
No repository found containing: osgi.bundle,org.eclipse.pde.ui,3.9.0.v20160525-1830
No repository found containing: osgi.bundle,org.eclipse.pde.ui.templates,3.6.0.v20160424-1948
No repository found containing: osgi.bundle,org.eclipse.ui.trace,1.0.400.v20160509-1055
No repository found containing: osgi.bundle,org.objectweb.asm,5.0.1.v201404251740
No repository found containing: osgi.bundle,org.objectweb.asm.tree,5.0.1.v201404251740

Ya eh buscado en interet y no pude dar con la soucion, ¿Alguien sabe cual puede ser el problema? Saludos.

EDIT:
Al final lo solucione reinstalando el IDE.