Product Version = NetBeans IDE Dev (Build 201109060600)
Operating System = Windows 7 version 6.1 running on x86
Java; VM; Vendor = 1.7.0
Runtime = Java HotSpot(TM) Client VM 21.0-b17
I saw this in the logs that seems to be related:
WARNING [org.netbeans.modules.project.ui.ProjectsRootNode]: Warning - project Simple Marauroa Client failed to supply itself in the lookup of the root node of its own logical view
Created attachment 110449 [details]
Created attachment 110450 [details]
Picture of the issue
Created attachment 110451 [details]
Same project after restarting IDE.
The assertion error from org.openinstaller.devtools.suiteinstallerbuilder.CreateInstallerGlobalAction may be responsible.