Reinstalling Java

Update to the latest version of Java:

  1. Close all running applications
  2. Open Windows Control Panel / Programs
  3. Under Programs and Features, select Uninstall a Program
  4. Uninstall any program from Sun or Oracle beginning with Java or J2SE
  5. more information: http://www.java.com/en/download/uninstall.jsp
  6. Close control panel
  7. restart your system
  8. Open your web browser and visit http://java.com/ to install the latest java version
  9. more information:
    http://www.java.com/en/download/help/index_installing.xml

    http://www.java.com/en/download/faq/remove_olderversions.xml

Install the latest operating system updates: (recommended step)

  1. Open Control Panel / System and Security / Windows Update
  2. Download and install the latest updates and restart

Use an up to date internet security product: (recommended step)

  1. remove any 3rd party antivirus software
  2. install Microsoft Security Essentials, the official antivirus product from Microsoft
  3. more information:  http://windows.microsoft.com/en-US/windows/security-essentials-download