completely remove all versions of java First !!
Ok
Try rebooting in safe mode to delete, OR Download CC cleaner, Update it first
then run the cleaner, Delete what it finds.
This next bit, DON'T change any of the settings,(thats only for advanced)
Now click on the Issues button, then scan for issues, Its best to backup changes,As you are prompted to, so they can be reversed if needed.
Now Click on tools & run the uninstaller for update 1 & 2,
Close CC cleaner, then use the link given to update java.
P.S... Sorry forgot to leave the link to CC cleaner,Here it is
http://www.ccleaner.com/download/(free)