When i get on Vendetta, when it says Loading Textures.... the Resloution is bigger than it was before i installed this game about 2 weeks ago. and when i try to fix it i dont know how and when i play i cant even read the messages cause the messages are too blurry can someone help plz

There is a config.ini file that is located where you installed Vendetta to.
You can edit that file to change the default resolution or just delete it to have it pick a new default resolution. It should pick 640x480 or 800x600 only.