Premiere Elements 12 performs well in Windows 7, 8, or 8.1 64 bit.
So, let us go through the typical drill and then zero in on your specific situation...
1.Do you have the latest version of QuickTime installed on your computer with Premiere Elements 12?
2. Are you running the program as Run As Administrtor and/or from a User Account with Administrative Privileges?
3. Is your video card driver up to date according to the web site of the manufacturer of the video card?
The fix is not confirmed yet, but you should check out the suggestions in the following recent thread here on your topic?
Please review and let us know the outcome.
Windows runtime components missing. Download them from the mentioned links and read through the content within the relevant Adobe docs for more information..