Are you using Photoshop, which is a different forum, or Premiere Elements?
I believe that you are referring to Adobe Premiere Elements 12 on Windows 7 64 bit.
Where are you encountering this problem....after the Premiere Elements 12 installation, followed by restart, followed by the Sign In dialog where you must enter your Adobe ID and password?
Please go to Computer/Manage/Event Viewer/Windows Logs/Applications and look for any Error description which might apply to your situation. Do you find any?