Some file types will require additional codecs to view in Quicktime. These codecs are typically available online, free of charge.
If you are missing files necessary to run Quicktime, the best solution is to uninstall and then reinstall the software. Quicktime does not natively support some files types, such as AVI files, but you can download and install a codec that will allow you to play the videos. There are many different video types and codecs, but typically a simple search will produce the codec you are looking for.
Instructions
Missing Files to Run Quicktime
1. Click on the "Start Menu" icon to open the "Start Menu."
2. Click "Control Panel" and select "Programs and Features."
3. Scroll down and select "Quicktime," then click "uninstall." Follow the onscreen instructions to finish uninstalling the program.
4. Go to the Quicktime download page on Apple's website.
5. Select the version of Quicktime that you would like to install, enter your email address and then click "Free Download Now." The download will begin automatically.
6. Double-click on the downloaded file and follow the onscreen instructions to install Quicktime.
Install Missing Codec
7. Open to your favorite search engine and enter " Quicktime codec" and then press "Search."
8. Review the search results and select the codec that will allow you to play the type of video that you are trying to view.
9. Download the codec.
10. Install the codec using the installation software provided in the download. Once the codec is installed you will be able to view the video.
Tags: allow play, codec that, codec that will, codecs typically, Install Missing, onscreen instructions, Start Menu