My understanding of the translation is not good. I think that you are saying that you cannot open the Premiere Elements 12 Editor. If that is the situation, please look at the following for possible solutions
If nothing in those links helps, then please let us know and give more details of your situation including
a. On what computer operating system is Premiere Elements 12 running?
b. Do you have the 12.1 Update installed and working with it?
c. Does not problem exist with and without the antivirus and firewall(s) disabled?
d. Do you have the latest version of QuickTime installed on your computer with Premiere Elements 12? And, are you running the programs as administrator?
e. Is your video card/graphics card driver version up to date according to the web site of the manufacturer of the card?