Irefscape 1.18 willnot install correctly in cytoscape 2.8.3

[Simon]

Dear Moderators
Trying to install on Windows XP professional I get the error message
0
cytoscape.CytoscapeInit[WARN]: Plugin loading error:
cytoscape.plugin.PluginException: problem loading plugin resource:
plugins Caused by: problem loading plugin resource: plugins at
cytoscape.plugin.PluginManager.loadResourcePlugins(PluginManager.java:
983) at cytoscape.plugin.PluginManager.loadPlugins(PluginManager.java:
838) at cytoscape.CytoscapeInit.loadPlugins(CytoscapeInit.java:656) at
cytoscape.CytoscapeInit.init(CytoscapeInit.java:209) at
cytoscape.CyMain. (CyMain.java:144) at
cytoscape.CyMain.main(CyMain.java:108) Caused by: plugins at
java.net.URLClassLoader$1.run(Unknown Source) at
java.security.AccessController.doPrivileged(Native Method) at
java.net.URLClassLoader.findClass(Unknown Source) at
java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher
$AppClassLoader.loadClass(Unknown Source) at
java.lang.ClassLoader.loadClass(Unknown Source) at
java.lang.Class.forName0(Native Method) at
java.lang.Class.forName(Unknown Source) at
cytoscape.plugin.PluginManager.loadResourcePlugins(PluginManager.java:
978) at cytoscape.plugin.PluginManager.loadPlugins(PluginManager.java:
838) at cytoscape.CytoscapeInit.loadPlugins(CytoscapeInit.java:656) at
cytoscape.CytoscapeInit.init(CytoscapeInit.java:209) at
cytoscape.CyMain. (CyMain.java:144) at
cytoscape.CyMain.main(CyMain.java:108)
Would be obliged for any help with this problem
best regards & thanks
Simon

[Sabry]

First thing to check is the JVM (the java version you are using).

What versions of java and Cytoscape are you using ?
To find out:
1. open a command prompt (Click start, type in "cmd" in the search box/
run box). Press enter
2. type the following command
java -version