The freeze is most likley caused by not having the proper video drivers installed. There two ways to solve the problem.
Solution One
Install the DCI and direct draw drivers.
Solution Two
Run QuickTime in safe (GDI)mode. Follow these steps:
Step 1
Select Start and Settings from the Start menu.
Step Two
Select Control Panels.
Step Three
Select the QuickTime Control Panel (the one with the slider bar at the bottom).
Step Four
Click on the pull-down menu and select Video Settings.
Figure 1 Video Settings
Step Five
In Video Settings select the Safe Mode (GDI Only) radio button.
Figure 2 Safe Mode radio button.
Step Six
Close the control panel and try playing the movie again.