Error when I start the matlab

ERROR: Error starting reference:file:/C:/Program Files/MATLAB/R2012a/java/jar/toolbox/rptgenslxmlcomp.jar (org.osgi.framework.BundleException: Activator start error in bundle com.mathworks.toolbox.rptgenslxmlcomp [11].) java.lang.NoClassDefFoundError: com/mathworks/toolbox/rptgenxmlcomp/plugin/ComparisonRulesProvider at com.mathworks.toolbox.rptgenslxmlcomp.plugin.ComparisonPluginSLXMLComp.addComparisonTypes(ComparisonPluginSLXMLComp.java:26) at com.mathworks.toolbox.rptgenslxmlcomp.plugin.ComparisonPluginSLXMLComp.addKnownComponents(ComparisonPluginSLXMLComp.java:22) at com.mathworks.toolbox.rptgenslxmlcomp.plugin.ComparisonPluginSLXMLComp.<init>(ComparisonPluginSLXMLComp.java:14) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at java.lang.Class.newInstance0(Unknown Source) at java.lang.Class.newInstance(Unknown Source) at com.mathworks.util.osgi.ServicesActivator.registerServicePair(ServicesActivator.java:58) at com.mathworks.util.osgi.ServicesActivator.parseServices(ServicesActivator.java:38) at com.mathworks.util.osgi.ServicesActivator.start(ServicesActivator.java:33) at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589) at org.apache.felix.framework.Felix.startBundle(Felix.java:1458) at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:984) at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:263) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.ClassNotFoundException: com.mathworks.toolbox.rptgenxmlcomp.plugin.ComparisonRulesProvider 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.ClassLoader.loadClassInternal(Unknown Source) ... 17 more

Answer 1

[Sachin Ganjare]

Refer link below:

http://www.mathworks.co.jp/matlabcentral/answers/49544

SOLUTION (as suggested by matlab support) : Install Matlab and Simulink report generators

Hope it helps!!!

Answer 2

[Chaohong]

Thank you!

the first solution(change to windows 7 classic) is not working.

the second way I have not try. It sounds like install it again. I will try and feedback. Thanks!