First make sure you haven't set your desktop back to classic view. I know most Vista users set it to look like XP or 2k to save resources. DWM must be running. Restart Fraps and run it as admin. Try that. Fraps is running but it's not recording DWM activity that's why it seems to not work for you. I had that problem. Also make sure it's set to record DWM activity. It should be the middle checkbox on the first tab of options on Fraps.