This error results most likely in having at least two different java-versions for 32bit and 64bit installed.

This is a common error caused by the auto-update from java only keeping the 64bit version updated, and leaving the 32bit version in an old state.

Please use this tool from to verify your java-installation and remove old versions from your system:

As an alternative, you can remove all java-versions your software management on your operating system shows, and after restarting your computer use the manual options to install java on your OS.