The thing I hate most about Java, apart from its inherent shit-ness and ugly UI, is the incessant "We've got an update available!" nags.
To my dismay, even though I'd gone into Control Panel and disabled auto-updates (so I thought), I still got a nag today. Whaaaaat!?
Investigating further, even though I could Apply and OK turning off the updater, every time I reloaded the Control Panel it was back to Enabled again.
Turn it off
There's a bug in the Java Control Panel app. It actually silently fails a permissions check if you just start it via Control Panel or the Start Menu. To fix:
Start > Configure Java > Right-click menu > Run as Administrator
Then make the changes one last time... Voila! It sticks :)