Ask in the respective product forum and provide relevant technical info about your system. This has nothing to do with Creative Cloud.
Moved from the Creative Cloud to the Premiere Elements forum. They will be able to help you here.
These questions below may be for a different product... but the information you need to supply is the same, for the products you use
More information needed for someone to help... please click below and provide the requested information
-Information FAQ http://forums.adobe.com/message/4200840
Also, Help-and-Tutorials page http://forums.adobe.com/thread/1275830 may help
What model of camcorder is your video coming from and how did you get it from your camcorder to your computer?
When you started your Premiere Elements project, which settings did you select? You can see, but cannot change, your project settings under the Edit menu.
Have you ensured you have the latest version of Quicktime, per the program's requirements?