One is the 32bit version (and possibly the one being mentioned) the other 64bit.
Personally I wouldn't shoot the messenger (software updater) but remove the problem, JAVA.
JAVA is a huge target for malware exploits, which is why it is crucial to keep it up to date, but this isn't an essential application. Unless you absolutely need JAVA, you have an application that uses it or you visit sites that use it (this is not JavaScript) then you would be best uninstalling JAVA.