Error Loading Eclipse

When I try to load Eclipse (an earlier version -- 1.0.67), I get an error: "Error has occured, please check log file" as shown in this [image][1].

In the log file, the error was as displayed in this image: [errorimage][2]. What could be the problem? How can it be rectified? Please help me on this.

Error shown in log file is

!SESSION Thu Apr 21 10:33:17 IST 2011 ------------------------------------------ !ENTRY org.eclipse.equinox.launcher 4 0 2011-04-21 10:33:17.431 !MESSAGE Could not find extension: net.rim.eide.preprocessing.hook !ENTRY org.eclipse.equinox.launcher 4 0 2011-04-21 10:33:17.447 !MESSAGE Exception launching the Eclipse Platform: !STACK java.lang.ClassNotFoundException: org.eclipse.core.runtime.adaptor.EclipseStarter 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 java.lang.ClassLoader.loadClass(Unknown Source) at org.eclipse.equinox.launcher.Ma开发者_Go百科in.invokeFramework(Main.java:546) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504) at org.eclipse.equinox.launcher.Main.run(Main.java:1236)

Read Using preprocessor directives in BlackBerry JDE plugin for eclipse? first and if the problem persists Eclipse Blackberry Preprocessor Not Working?.

HTH