I already tried the advice with the reset commands, but it didn't help.
The WAR-folder keeps beeing read only, but the files in it are not. Does the folder itself has to be changed, and if so, how do I achieve this if windows 10 wont let me as admin and owner of the folder?

I also noticed, that although I checked the "Unblock" box for the folder, the files in it all have those boxes for themselve.
Best Regards,
Skrull