I'm running OS X 10.4.11 and now when the Software Update check for available updates alerts me with new updates to install, when I click the Install button, it goes grey but nothing happens. I've tried downloading the updates manually and installing them. I go through the various steps and when I click Install, nothing happens again. I've also tried running Software Update from the command line. Here is the error I get: # softwareupdate -i SecUpd2008-001PPC-1.0 Software Update Tool Copyright 2002-2005 Apple 2008-02-23 22:45:41.946 softwareupdate *** -[IFRunnerProxy requestKeyForRights:askUser:]: selector not recognized [self = 0x13402e0] 2008-02-23 22:45:41.947 softwareupdate *** Uncaught exception: <NSInvalidArgumentException> *** -[IFRunnerProxy requestKeyForRights:askUser:]: selector not recognized [self = 0x13402e0] Trace/BPT trap # Any ideas on what I can do to fix this problem?