Breaks root, may block SBFing
Looks like Rootkeeper works, install before updating
+ Device is enabled with the Wireless Alerting System.
+ A Google Security Patch has been added to improve security level.
+ Fixed issue where the device may power ON without user interaction.
+ Adjusted camera settings will be saved, even after the device is powered down.
+ Resolved possible device resets while playing music.
+ Reduced Out of Memory errors.
edit: if you want to stop updates
rename BlurUpdater_VZW.apk to BlurUpdater_VZW.apk.bak,
rename BlurUpdater_VZW.odex and BlurUpdater_VZW.odex.bak