Can not open ADE at all

I have ADE since many years and it always worked fine.

A few days ago my laptop (windows) run out of battery while I had ADE open. And ever since then the programm doesn't work anymore. It just doesn't open anymore. It doesn't even show up in the task manager. Just no reaction. I tried to uninstall and install again but it just does not work again. And I can't find any help for that. Anybody any ideas?