Start up error and Editor tab

Dear ,

I am Prasad newbee in Cytoscape networking.
I installed Cytoscape 2.6.2 and while starup I got this error message.
     java.lang.NullPointerException
    at
cytoscape.plugin.PluginTracker.createPluginTable(PluginTracker.java:351)
    at cytoscape.plugin.PluginTracker.init(PluginTracker.java:114)
    at cytoscape.plugin.PluginTracker.<init>(PluginTracker.java:76)
    at cytoscape.plugin.PluginManager.<init>(PluginManager.java:281)
    at
cytoscape.plugin.PluginManager.getPluginManager(PluginManager.java:175)
    at cytoscape.CytoscapeInit.init(CytoscapeInit.java:165)
    at cytoscape.CyMain.<init>(CyMain.java:158)
    at cytoscape.CyMain.main(CyMain.java:122)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
    at com.exe4j.runtime.WinLauncher.main(Unknown Source)

I when I press ok it window goes off.
If I cancel the same I can see network but I cannnot edit it because Editor
tab is not there.
Kindly help me out.
Thank you in advance.

Regards,


-- 
Prasad Phapale
Research fellow, PhD.
Pharmaco-metabolomics Lab,
Clinical Trial Center, KNU Hospital.
Kyungpook National University School of Medicine
101 Dongin-dong 2-ga, Joong-gu
Daegu 700-422, Korea
Tel: 82-53-420-5443(Lab)
E-mail: pphapale-/[email protected]

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