This is the Premiere PRO forum, I think you need Premiere ELEMENTS
When you go to the correct forum for version 10 you need to provide LOTS more information
From the Premiere Elements Information FAQ http://forums.adobe.com/thread/1042180
•What operating system? This should include specific minor version numbers, like "Mac OSX v10.6.8"---not just "Mac".
•Have you installed any recent program or OS updates? (If not, you should. They fix a lot of problems.)
•What kind(s) of image file(s)? When talking about camera raw files, include the model of camera.
•If you are getting error message(s), what is the full text of the error message(s)?
•What were you doing when the problem occurred?
•What other software are you running?
•Tell us about your computer hardware. How much RAM is installed? How much free space is on your system (C:) drive?
•Has this ever worked before? If so, do you recall any changes you made to Premiere Elements, such as adding Plug-ins, brushes, etc.? Did you make any changes to your system, such as updating hardware, printers or drivers; or installing/uninstalling any programs?
And some other questions...
•What are you editing, and does your video have a red line over it BEFORE you do any work?
•Have you viewed the tutorial links at http://forums.adobe.com/thread/1275830 page?
•Which version of Quicktime do you have installed?
Moved to the Premiere Elements forum.
Welcome to the forum.
One of the main causes of PrE to not fully launch, is the video driver.
- What make and model video card do you have?
- What is the number and date of your installed video driver?
- If you have an nVidia video card/chip, and PrE 10, the fix might be to roll-back the video driver, as there is an issue with the latest video driver from nVidia, that affects PrE 10.