Apparently John is unaware of your prior post. And, Adobe Chat is unlikely to help you since version 11 is not the current version. Version 12 is.
Thank you for starting your own new thread on your Premiere Elements 11 Windows 7 64 bit cannot open editor problem as suggested in the post of another this morning.
If you are confirming that the problem is with Premiere Elements 11 on Windows 7 64 bit, then please read on.
Have you had the chance to go through the detailed troubleshooting on this type of issue?
If so, what was the outcome?
Can this problem be classed as "It worked before but not now" or "it never worked before"?
Let us start here and then we can decide what next in the troubleshooting strategy.