When ever I try to launch my eclipse I am getting the following exception an its not coming up.

```
java.lang.IllegalStateException: Unable to acquire application service. Ensure that the org.eclipse.core.runtime bundle is resolved and started (see config.ini).                                                                         
  at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:74)
  at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:368)
  at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
  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 org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559)
  at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
  at org.eclipse.equinox.launcher.Main.run(Main.java:1311)

```

Need help.
Thanks.