I have a bug when i open the game

One day i playing in one server and i dont have all the textures of the map,and i decided to dowload the textures when i put the textures in the folder of addons and i open the game all normalyy,but when why are charging the menu we have a problem.The menu are buged all the m enu are squares purple and blacks not let me do anything.II have reinstalled 5 times and verify the files and nothing new

Remove the files you downloaded and buy cs:s (automatically assuming it is this game) instead of trying to download illegal content.

Your English is also terrible and impossible to fully understand your problem.