This is a discussion on Can't start KO. Because of Win 8.1??? within the Tech Support forums, part of the Knight Online (ko4life.com) category; Originally Posted by brutalsnake
doesnt delete the .exe for me O.o, anyways i tried turning it off and it still ...
Defenitely not windows 8.1 I been using it since day 1 with usko/privates and never had an issue.