How to Troubleshoot Quicktime
QuickTime is a multimedia player developed by Apple. It is popular among web developers for providing streaming audio and video on websites. The Apple QuickTime video player can run on both Macs and Windows-based PCs. Sometimes, the program may malfunction or not work as expected. Troubleshoot QuickTime to resolve these issues so you can get back to enjoying your favorite movies or video podcasts.
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Instructions
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Make sure your computer meets the system requirements for the QuickTime player if it freezes often or won't start up. QuickTime needs a Mac with a 400 MHz or faster processor, 128 MB of RAM or more and Mac OS X 10.3.9 or more recent. On a PC, the video player requires a computer running Windows XP Service Pack 2 or more recent, 128 MB of RAM or more. Upgrade your computer if it doesn't meet the software's system needs.
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Check the video file type if QuickTime has trouble playing a specific file. QuickTime supports most video types, including MOVs, MPEGs, AVIs, and most audio files. However, QuickTime does not support some video formats, such as Windows Media files (.WMA and .WMV). If you're trying to play an incompatible format, try using a different program or converting the file to a QuickTime-friendly format.
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Update the player. Apple occasionally releases patches or updates to QuickTime to resolve common bugs and errors. Running an outdated version of the software may increase your risk of experiencing problems. On a Mac, click "QuickTime Player" in the top menu bar and select "Update Existing Software" from the drop-down menu. On a PC, press "Edit" in the top menu bar. Select "Preferences" and click "QuickTime Preferences." In the resulting window, press "Update Check."
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Change your QuickTime video streaming preferences. This will help if you run a firewall on your computer and experience sluggish performance while streaming movies online. On a Mac, click "QuickTime Player" in the top menu bar and select "QuickTime Preferences." Press "Advanced." Select "Custom" from the menu listed under "Transport Setup." Click "HTTP" under "Transport Protocol." Close the window. On a Windows PC, press "Edit" in the top menu and click "Preferences." Select "QuickTime Preferences." Choose "Advanced." Under "Transport Setup," click "Custom" and select "HTTP" from the "Transport Protocol" list. Close the window.
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Try playing another video or audio file if you're experiencing playback issues. If a different file plays correctly, your problem may lie with the file rather than the video player itself. The file data may have become corrupt. Try re-downloading the file from a disk or the Internet if the original file does not play correctly.
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Tips & Warnings
Call Apple's technical service line if you are still encountering problems with the QuickTime player. Call technicians toll-free at (800) 275-2273.
