This is my second day using Tiger. Suddenly, all GUI elements lost their mouseover dynamics. Meaning if I move my mouse over an icon in the dock, the name doesn't appear over it, mouseover links don't change when I move my mouse over them on any site, the bookmarks bar bookmarks don't highlight when I move my mouse over them, items in menus don't highlight when I have my mouse over them. This covers everything in the GUI, even Dashboard. I restarted, and like I predicted, everything works fine. But then about 10 minutes later, it all messed up again! This is definitely something wrong. I installed Tiger with a clean install - no upgrades or archive installs. I haven't installed ANY programs on it yet (other than one widget - Hula Girl. I've since removed it - not because of the bug). My machine is in the sig - 1 GB of RAM, BT and AirPort BTO. I'm using a MX1000 mouse (mentioned this because the mouse is acting strangely, but it was also acting strangely in Panther, so I doubt it's a part of this problem). That's all I can say. anyone have any insight? Is it my crappy graphics card?