SoftwareUpdaterLauncher keeps iMac from shutting down
Since updating to 10.10.4, our computer hangs after closing out and before shutting down.
The SoftwareUpdater Launcher is apparently preventing full shut down (or restart). And it is frozen at that point. I am unable to quit it, or force quit it, or get access to it's preferences or anything.
The only thing I have been able to do is force shut down.
Meanwhile the app store, while claiming that I've downloaded and installed 10.10.4, also claims that I need to update again. However this requi