Installed iDeneb 1.4/OS X 5.6 on my AA1 D250 last night. Everything went great. Then I was trying to install iWork ‘09 and it called for a minimum of Quicktime 7.5.5. I installed the version off Apple’s website (7.6.4). That worked and iWork runs fine. But I’m getting kernel panics when I shut down. The Quicktime update was the only thing I’ve really changed. Any suggestions on how to fix this? Since it's a new install, I'm not opposed to starting over. I found a copy of 7.5.5 online. Would this make a difference?