Nmap Won't Open

Hi all,

I just downloaded Nmap (the full package) for win10 and installed it. While Zenmap is working without any problems, Nmap won't even open. The command line opens for a second and instantly closes again, I can't even get it to freeze at this point and it does not give any error message. Any Idea how to fix it? Already tried reinstalling it multiple times, looked up in the registry, the services but i can't find any valuable clues...

Thanks in advance