I imported my photos from previous version, but the videos are not opening. as "codec not installed." I installed Quicktime as suggested, but still not working. There is no number to call support, so I am trying here instead.
You can start a Support chat session by clicking on the blue Contact Us button under the Help and Support menu at Adobe.com. Or you can contact Support by telephone using the numbers listed here: https://helpx.adobe.com/contact/phone.html. Support has limited hours of operation outside of the United States.