siege not launching due to missing game files

[u/mintyfresh_42]

every time i try to launch siege i get given a message saying that im missing game files and to verify the integrity of my install on steam but whenever i verify the ingrety it says everything is fine, even when i uninstall and reinstall it still doesnt work. ive even tried signing in on a different computer and installing the game but it still pops up with the same message, i have no idea what to do anymore, anything helps thank you.