gmod menu not working see pic

https://camo.githubusercontent.com/7e4f079a2926d7f1dd429d58ccfe9d8b6e51bab1/687474703a2f2f692e696d6775722e636f6d2f4a5452413863712e6a7067

please help me. would mean a lot, haven’t been able to play the game because of this, and i have not played the game before

Try re-installing the game off of steam maybe?