It's possible that it is java related, download the latest version, and then uninstall all versions you have on your machine.
Updating Java:
Download the latest version of Java Runtime Environment (JRE) 6u3
http://java.sun.com/javase/downloads/index.jsp
Scroll down to where it says "The Java Runtime Environment (JRE) allows end-users to run Java applications".
Click the "Download" button to the right.
Check the box that says: "Accept License Agreement".
The page will refresh.
Click on the link to download Windows Offline Installation with or without Multi-language and save to your desktop.
Close any programs you may have running - especially your web browser.
Go to Start > Control Panel double-click on Add/Remove programs and remove all older versions of Java.
Check for any item with Java Runtime Environment (JRE or J2SE) in the name.
Click the Remove or Change/Remove button.
Repeat as many times as necessary to remove each Java version.
Reboot your computer once all Java components are removed.
Then from your desktop double-click on the download to install the newest version.