Uninstall QuickTime 7 and Install QuickTime 6.5.1
If you're still having issues, you can change your versions of QuickTime.
Despite QuickTime 7 being a powerful new upgrade for QuickTime software, you won't notice a difference in the video play for these CD-ROMs. You can uninstall using Windows uninstall option, or by dragging the application to the trash in Macintosh. To download QuickTime 6.5.1, click here. You will a see a screen like the one below. Windows users should clikc on the link on the left that says QuickTime Installer (Windows). Mac users should click on the arrow and link that says 15.8 MB.