Here is a quick and dirty way to block webOS updates.
We do not recommend doing this.
webOS is in a very early stage. One webOS-internals team member (tharris) has identified over seven security errors in webOS as of 20 July 2009, and that process is far from done.
Additionally, updates like the forthcoming 1.1 will make available new functions including accelerometer to the mojo interface.
Some may want to block the 1.0.4 update, as it prevents apps from being installed through email link.
cd /usr/bin mount -o remount,rw / chmod -x UpdateDaemon mount -o remount,ro /
No more executing the update program.